Date (mm/dd/yy) | Author | Addressee | Subject | Doc. ID # |
- | Robert Clark
Environmental Protection Agency - Risk Reduction Engineering Laboratory
Thomas Speth
Environmental Protection Agency - Risk Reduction Engineering Laboratory
Benjamin Lykins, Jr
Environmental Protection Agency - Risk Reduction Engineering | - | Article: EPA research program in granular activated carbon (GAC) | 1430 |
1/1/64 | CA Superior Court - Los Angeles County | - | Stipulation for judgment, #722,647 - Board of Water Commissioners of City of Long Beach, et al vs San Gabriel Valley Water Co, et al, w/exhibit 1, judgment | 2734 |
3/1/66 | CA Dept of Water Resources | - | Planned utilization of groundwater basins, San Gabriel Valley, appendix A, geohydrology [Bulletin 104-2] | 2735 |
1/1/68 | Kakusaburo Onda
Univ of Nagoya
Hiroshi Takeuchi
Univ of Nagoya
Yoshio Okumoto
Univ of Nagoya | - | Article: Mass transfer coefficients between gas & liquid phases in packed columns (Journal of Chemical Engineering of Japan (1968), v1, #1:56-62) | 1429 |
1/4/73 | CA Superior Court - Los Angeles County | - | Judgment - Upper San Gabriel Valley Municipal Water District vs City of Alhambra, et al, w/exhibits [#924128] | 1232 |
1/1/79 | J Hoigne
Swiss Federal Institute for Water Resources
H Bader
Swiss Federal Institute for Water Resources | - | Article: Ozonation of water - selectivity & rate of exidation of solutes (Ozone, Science & Engineering (1979), v1: 73-85) | 1428 |
8/28/81 | Edmund Brown, Jr
CA Governor's Office | Sheila Prindiville
Environmental Protection Agency - Region 9 | Ltr: Notification of designation of CA Dept of Health Services as lead agency to carry out state hazardous waste responsibilities | 6154 |
7/13/83 | LeRoy Crandall & Assoc | Southwestern Portland Cement Co | Groundwater monitoring plan, Azusa Western Landfill site, Azusa, w/TL 7/13/83 | 4977 |
5/1/84 | C H 2 M Hill | - | Final community relations plan, San Gabriel sites | 5789 |
6/1/84 | Environmental Protection Agency - Region 9 | - | Fact sheet: San Gabriel Basin site RI/FS, w/ltr 6/6/84 fr EPA to interested individuals, groups, agencies & officials | 5060 |
9/24/84 | Environmental Protection Agency - Region 9 | - | Press release: EPA approves groundwater investigation & feasibility study in San Gabriel Valley | 5782 |
10/2/84 | Joe Blackstock
San Gabriel Valley Tribune, Inc | - | Newsclip: EPA to investigate Valley underground water supply | 10284 |
10/26/84 | LeRoy Crandall & Assoc | Southwestern Portland Cement Co | Completion rpt, construction of 3 monitoring wells & groundwater monitoring rpt - Azusa Western Landfill, Azusa | 1499 |
12/7/84 | Thomas Stetson
Stetson Engineers, Inc | Gary Yamamoto
CA Dept of Health Services | Ltr: Transmittal of & request for approval on final AB 1803 water analysis plan for Main San Gabriel Basin, w/attch | 5712 |
12/7/84 | Thomas Stetson
Stetson Engineers, Inc | Gary Yamamoto
CA Dept of Health Services | Ltr: Transmittal of & request for approval on final AB 1803 water analysis plan for Main San Gabriel Basin - plate 6, map of potential sources of organic chemicals & monitoring wells within main San Gabriel basin, rev 1 (36 inches x 58 inches)(attch only) | 34210 |
12/17/84 | Ken Reich
Montgomery Laboratories | Neil Ziemba
Environmental Protection Agency - Region 9 | Ltr: Supplemental quality control for San Gabriel Basin AB 1803, w/laboratory quality control procedures & description of facilities | 5451 |
12/30/84 | Mike Ward
Los Angeles Times | - | Newsclip: San Gabriel water contamination a mystery after 5 years | 10216 |
1/1/85 | Environmental Protection Agency - Region 9 | - | Fact sheet: Environmental News - San Gabriel Basin, supplemental sampling program | 5749 |
1/11/85 | Keith Takata
Environmental Protection Agency - Region 9 | Thomas Stetson
Stetson Engineers, Inc | Ltr: Transmittal of & request for comments on workplan, sampling plan QAPP & site safety plan for supplemental sampling program, w/o attch (unsigned) | 5945 |
1/21/85 | Keith Takata
Environmental Protection Agency - Region 9 | Thomas Stetson
Stetson Engineers, Inc | Ltr: Request for comments on workplan, sampling plan, QAPP & site safety plan & description of documents, w/concurrence copy, w/o workplans, etc | 6145 |
2/5/85 | Steven Conklin
C H 2 M Hill | - | Partial sampling plan, San Gabriel Areas 1-4 RI, w/TL to N Ziemba & TL to Harold Takenaka 2/7/85 | 5950 |
2/5/85 | Steven Conklin
C H 2 M Hill | - | Partial sampling plan, San Gabriel Areas 1-4 RI - plate 1, assumed groundwater contamination plume areas & wells proposed for sampling under AB 1803 (36 inches x 56 inches ) (attch only) | 34274 |
2/10/85 | Mike Ward
Los Angeles Times | - | Newsclip: 10 Azusa wells among targets of water inquiry, w/TL 3/1/85 fr R Lofy, Lockman & Assoc to N Ziemba | 5738 |
2/13/85 | Albert Frias
San Gabriel Valley Tribune, Inc | - | Newsclip: Compounds suspected - Azusa well testing urged | 10283 |
3/12/85 | Steven Conklin
C H 2 M Hill | - | Sampling plan for wells in vicinity of Aerojet ElectroSystems & for general SSP, San Gabriel areas 1-4 RI | 5832 |
3/12/85 | Steven Conklin
C H 2 M Hill | - | Sampling plan for wells in vicinity of Aerojet ElectroSystems & for general SSP, San Gabriel areas 1-4 RI - plate 6, map of potential sources of organic chemicals & monitoring wells within Main San Gabriel basin (34 inches x 56 inches) (attch only) | 34231 |
3/19/85 | Thomas Bailey
CA Dept of Health Services | Jane Bray
Upper San Gabriel Valley Municipal Water District | Ltr: Notification that CA Dept of Health Services decided to return cooperative agreement to EPA & transfer lead responsibility fr Dept to EPA, w/envelope | 5539 |
4/2/85 | Harold Takenaka
Environmental Protection Agency - Region 9 | Laura Tom
Environmental Protection Agency - Region 9
Neil Ziemba
Environmental Protection Agency - Region 9
Chip Demarest
Environmental Protection Agency - Region 9
Peter Rubenstein
Environmental Protection Agency - Region 9 | Memo: Transmittal of & request for comments on sampling plan for wells in vicinity of Aerojet ElectroSystems & for general SSP, San Gabriel areas 1-4 RI dated 3/12/85, w/handwritten comments by B Buck | 34246 |
4/30/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of pesticides, YA 236, 238-240, w/TL fr H Takenaka to P Bisson, 5/6/85 [Cont #68-01-6791] | 10433 |
5/1/85 | Environmental Protection Agency - Region 9 | - | Tables: Results of well sampling analyses, 2/85-5/85, for Miller Brewing, City of Azusa, Transit Mix, etc, w/chain of custody forms | 2570 |
5/20/85 | Ferdinand Schuette
Environmental Protection Agency - Region 9 | - | Review of analytical data, QA/QC - CASE/SAS #3912/1528Y, analysis of selenium, hydrazine, perchlorate, w/TL fr H Takenaka to P Bisson, 5/22/85 | 2586 |
5/20/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of thiourea, w/TL fr H Takenaka to P Bisson, 6/3/85 | 10435 |
5/22/85 | Vlasta Felix
Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of pesticides, YA 280 thru 284, YA 257 thru 261, w/TL fr H Takenaka to P Bisson, 5/28/85 | 10434 |
5/28/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of acid/base neutral & SAS, w/TL fr H Takenaka to P Bisson, 5/28/85 | 2573 |
6/18/85 | Vlasta Felix | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of volatiles, w/TL fr H Takenaka to J Clifford, 6/25/85 | 2587 |
6/25/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of B/N/A & SAS, w/TL fr H Takenaka to P Bisson, 7/1/85 | 2574 |
6/25/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912/1528Y, analysis of B/N/A & SAS, sample #YA273-YA279, w/TL fr H Takenaka to P Bisson, 7/10/85 | 2575 |
6/26/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #4188/1629Y, analysis of thiourea, w/TL fr H Takenaka to P Bisson, 7/1/85 | 10430 |
7/1/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #4188/1629Y, analysis of SAS inorganics, w/TL fr H Takenaka to P Bisson, 7/17/85 | 2588 |
7/28/85 | James Johnson
Environmental Protection Agency - Region 9 | - | Review of analytical data - CASE/SAS #4188/1629Y, analysis of volatiles/semi-volatiles & SAS, w/TL fr H Takenaka to P Bisson, 9/18/85 | 2589 |
8/1/85 | Vlasta Felix | - | Review of analytical data - CASE/SAS #4189/1629Y, analysis of volatiles, semi-volatiles, w/TL fr H Takenaka to P Bisson, 8/16/85 | 2576 |
8/21/85 | Vlasta Felix
Maxwell Laboratories, Inc - S-CUBED Laboratory | - | Review of analytical data - CASE/SAS #4189/1629Y, analysis of volatiles, semi-volatiles, 10 samples, w/TL 8/28/85 fr H Takenaka to P Bisson | 2577 |
9/17/85 | Trudy Deihl | - | Review of analytical data - CASE/SAS #3912, analysis of pesticides, w/TL fr H Takenaka to P Bisson, 10/3/85 | 10436 |
9/18/85 | Tammy Jones
Environmental Protection Agency - Region 9 | - | Review of analytical data - CASE/SAS #4188/1629Y, analysis of volatiles/semi-volatiles & SAS, w/TL fr H Takenaka to P Bisson, 9/18/85 | 2590 |
10/11/85 | Clinton Graden
Environmental Protection Agency - Region 9 | - | Review of analytical data - CASE/SAS #4189/1629Y, analysis of VOA, semi-VOA, w/TL fr M Tunzi to P Bisson, 10/15/85 | 2569 |
10/11/85 | Environmental Protection Agency - Region 9 | - | Press release: Environmental News - San Gabriel Valley Water District (Upper San Gabriel Valley Municipal Water District) 1st local agency to receive direct funding under Superfund program for technical assistance to EPA | 5628 |
10/27/85 | Anne Richardson
San Gabriel Valley Tribune, Inc | - | Newsclip: Groundwater contamination plan for Valley 3 years away | 10215 |
11/12/85 | Mike Bitner
C H 2 M Hill | Stetson Engineers, Inc | Data sets used in model for recharge fr spreading basins & riverbed percolation as estimated by LA County Flood Control Dist, water years 77/78 thru 83/84, w/TL 1/7/87 | 5965 |
12/5/85 | Environmental Protection Agency - Region 9 | - | (Outline of) testimony by EPA re San Gabriel & San Fernando (before) Assembly Committee on Environmental Safety & Toxic Materials on 12/5/85 | 5758 |
12/8/85 | Mike Ward
Los Angeles Times | - | Newsclip: 'Comedy of errors' over, water cleanup begins, officials say, w/photos of Assemblywoman S Tanner & EPA's K Takata at contamination hearing | 10285 |
12/26/85 | Keith Takata
Environmental Protection Agency - Region 9 | Jane Bray
Upper San Gabriel Valley Municipal Water District | Ltr: Lab results fr EPA San Gabriel Valley supplemental sampling program (SSP) & detection of perchlorate ion, w/perchlorate QA review rpts | 2650 |
2/14/86 | C H 2 M Hill | - | Cross reference lists for lab rpts for EPA sampling completed as part of supplemental sampling plan between 2/12/85 & 5/14/85 (cross-references "Review of analytical data" documents 2569, 2573 thru 2577, 2586 thru 2589, 2598, 10430, 10433 thru 10436) | 1525 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | James van Wagner
Valley County Water District | Ltr: Results of analyses of water samples taken fr Valley County Water District well(s) in Baldwin Park, w/charts, w/o mail receipt #P000-399-112 | 2466 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | Joseph Hsu
City of Azusa | Ltr: Results of analyses of water samples taken fr City of Azusa well(s), w/charts, w/o mail receipt #P000-399-110 | 10755 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | William Temple
Covina Irrigating Co | Ltr: Results of analyses of water samples taken fr Covina Irrigating Co well(s), w/charts, w/o mail receipt #P000-399-111 | 10756 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | Edward Heck
Azusa Valley Water Co | Ltr: Results of analyses of water samples taken fr Azusa Valley Water Co well(s), w/charts, w/o mail receipt #P000-399-114 | 10758 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | Arthur Cook
City of Glendora | Ltr: Results of analyses of water samples taken fr City of Glendora well(s), w/charts, w/o mail receipt #P000-399-115 | 10759 |
2/26/86 | Neil Ziemba
Environmental Protection Agency - Region 9 | Ray Jarceki
Transit Mixed Concrete Co | Ltr: Results of analyses of water samples taken fr Transit Mix well(s), w/charts, w/o mail receipt #P000-399-116 | 10760 |
5/19/86 | C H 2 M Hill | - | Draft San Gabriel supplemental sampling program rpt, v1 of 3, text | 5257 |
5/19/86 | C H 2 M Hill | - | Draft San Gabriel supplemental sampling program rpt, v2 of 3 & v3 of 3, appendices | 5258 |
5/19/86 | C H 2 M Hill | - | Draft San Gabriel supplemental sampling program rpt, v1 of 3, text - plate 1, extent of TCE contamination, plate 2, extent of PCE contamination, plate 3, CTC contamination & plate 4, groundwater contamination map (42 inches x 58 inches) (attchs only) | 34314 |
6/27/86 | Paul Chrostowski
I C F/Clement
Sara Foster
I C F/Clement | - | Article: Integrated household exposure model for use of tap water contaminated with volatile organic chemicals (VOC) | 1439 |
8/1/86 | Environmental Protection Agency - Region 9 | - | Fact sheet: San Gabriel Basin sites - EPA investigates groundwater contamination, releases supplemental sampling program rpt | 5621 |
8/29/86 | Jane Bray
Upper San Gabriel Valley Municipal Water District | Groundwater User | Ltr: Request for complete & up-to-date info on wells sent to water purveyors, w/o attchs | 5642 |
10/13/86 | Lee Garber
San Gabriel Valley Tribune, Inc | - | Newsclip: Officials to launch fight on water contamination, w/maps showing water table contaminants TCE, PCE, CCL4 & nitrates | 10188 |
1/7/87 | Terry Foreman
C H 2 M Hill | Neil Ziemba
Environmental Protection Agency - Region 9 | TL: Metropolitan Water District of Southern California conjunctive use study, including groundwater contamination map, list of well construction details, list of info available for wells & TLs to MWD & Stetson Engineers, w/attchs | 5964 |
1/7/87 | Terry Foreman
C H 2 M Hill | Neil Ziemba
Environmental Protection Agency - Region 9 | TL: Metropolitan Water District of Southern California conjunctive use study, including groundwater contamination map, list of well construction details, list of info available for wells & TLs to MWD & Stetson - map (24 inches x 36 inches) (attch only) | 34276 |
4/6/87 | Kirk Thomson
C H 2 M Hill
Artemis Antipas
C H 2 M Hill
Kent Aue
C H 2 M Hill | Environmental Protection Agency - Region 9 | Quality assurance project plan (QAPP), San Gabriel areas 1-4, w/approvals | 6006 |
4/24/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Field sampling plan for sampling existing wells, San Gabriel areas 1-4, w/attchs | 5943 |
4/24/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Field sampling plan for sampling existing wells, San Gabriel areas 1-4 - plate 1, wells identified for RI/FS monitoring, plate 2, locations of wells to be sampled & plate 1 [sic], locations of hospitals (22 inches x 34 inches) (attchs only) | 34262 |
7/1/87 | Environmental Protection Agency - Region 9 | - | Fact sheet: San Gabriel Basin sites - EPA begins soil gas sampling in Whittier Narrows area [Issue #2] | 5693 |
7/6/87 | Dave Mark
C H 2 M Hill | Environmental Protection Agency - Region 9 | Addendum, request for analysis for 2nd round of sampling, field sampling plan for sampling existing wells, w/EPA field operation cover sheet | 5969 |
7/22/87 | Tracy Yerian
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #7211/2894Y #7, full organics analysis, sample #YC220 to YC226, w/TL to P Bisson fr K Kitchingman 7/22/87 | 1971 |
7/22/87 | Donna Oswald
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #7211/2894Y #4, full organics analysis, sample #YC201 to YC204, w/TL to P Bisson fr K Kitchingman 7/22/87 | 1988 |
7/22/87 | Donna Oswald
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #7211/2894Y #5, full organics analysis, sample #YC205, YC206, YC209 & YC210, w/TL to P Bisson fr K Kitchingman 7/22/87 | 1989 |
7/22/87 | Tracy Yerian
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #7211/2894Y #6, full organics analysis, sample #YC212 to YC221, w/TL to P Bisson fr K Kitchingman 7/22/87 | 1990 |
7/24/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Workplan for stage 1 San Gabriel Basin RI/FS | 5926 |
7/24/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Workplan for stage 1 San Gabriel Basin RI/FS - plate 1, proposed testing locations for basinwide RI/FS (22 inches x 34 inches) (attch only) | 34254 |
7/27/87 | Donna Oswald
Chemtech Laboratory | - | Data validation rpt: Case #7211/2894Y #13, SAS inorganic analysis, sample #107203, 107213, w/TL to P Bisson fr K Kitchingman 7/27/87 | 1981 |
7/27/87 | Donna Oswald
Chemtech Laboratory | - | Data validation rpt: Case #7211/2894Y #3, SAS inorganics analysis, sample #101403, 101413 & 101423, w/TL to P Bisson fr K Kitchingman 7/27/87 | 1982 |
7/27/87 | Tracy Yerian
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #7211/2894Y #12, SAS-VOAs by method 601 analysis, sample #YC205 207 208 211-215 218 219 225 227, w/TL to P Bisson 7/27/87 | 1983 |
7/27/87 | Donna Oswald
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #11, SAS-VOAs by method 601 & TOC analysis, sample #103611 103901 103911 104301 104311 104501 104511 104701 etc | 1984 |
7/27/87 | Donna Oswald
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #10, SAS-VOAs by method 601 & TOC analysis, sample #101701 101711 101811 101911 102011 102111 102211 102701 etc | 1985 |
7/27/87 | Donna Oswald
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #14, SAS-VOAs by method 601 & TOC analysis, sample #105611 105801 105811 105901 105911 106011 106111 106211 etc | 1986 |
7/27/87 | Donna Oswald
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #16, SAS-VOAs by method 601 & TOC analysis, sample #107111 107411 107511 107521 107601 107611 107701 107711 etc | 1987 |
7/27/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211-2894Y #1, SAS-VOAs by method 601 analysis, sample #100101, 100111, 100201, 100211, 100311 & 100411, w/TL 7/27/87 | 1994 |
7/27/87 | Donna Oswald
Alliance Technologies, Inc | - | Data validation rpt: Case #7211-2894Y #1A, SAS-VOAs by method 601 analysis, sample #101501, 101511, w/TL to P Bisson fr K Kitchingman 7/27/87 | 1995 |
7/27/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #9, SAS-VOAs by method 601 analysis, sample #105411, 105511, 105701, 105711, 107001, 107011 107021, w/TL 7/27/87 | 1996 |
7/27/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #9A, SAS-VOAs by method 601 analysis, sample #100701 100711 100811 100911 101101 101111 101211 101311 101401 etc | 1997 |
7/27/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #2, SAS-VOAs by method 601 analysis, sample #102901, 102911, 103501 & 130511, w/TL fr K Kitchingman 7/27/87 | 1998 |
7/29/87 | C H 2 M Hill | - | San Gabriel well sampling, sample # cross reference list, 1st round (cross-references "Data validation rpt" documents 1971, 1981 thru 1998) | 11324 |
7/31/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #8, SAS=VOAs by method 601 analysis, sample #104011, 104101, 104111, 104121, 104211, 104501 104511 104901 104911 | 1993 |
8/5/87 | Tracy Yerian
Alliance Technologies, Inc | - | Data validation rpt: Case #7211/2894Y #9, TOCs analysis, sample #101101, 101111, 101111(D), 101211, 101211(D), 101311, 101401, 101411, 101421, 101611 | 1992 |
9/1/87 | Environmental Protection Agency - Region 9 | - | Fact sheet: Public participation in investigation & cleanup [Issue #3] | 5429 |
10/5/87 | Tracy Yerian | - | Data validation rpt: Case #7824/3208Y #2, organics analysis (VOAs only), sample #G-223 to G-228, w/TL 10/5/87 & cross reference list, round 2, 8/26/87 (cross-references "Data validation rpt" documents 1991 & 2006) | 2005 |
10/5/87 | Tracy Yerian | - | Data validation rpt: Case #7824/3208Y, organics analysis (VOAs only), sample #G-210 to G-222, w/TL to P Bisson fr K Kitchingman 10/5/87 | 2006 |
10/14/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Request for analysis for 3rd round of sampling, addendum, field sampling plan for existing wells, San Gabriel areas 1-4 | 5978 |
10/14/87 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Request for analysis for 3rd round of sampling, addendum, field sampling plan for existing wells, San Gabriel areas 1-4 - plate 1, sampling locations, FSP for sampling existing wells, stage 1 San Gabriel basin RI/FS (36 inches x 60 inches) (attch only) | 34287 |
10/23/87 | Tracy Yerian | - | Data validation rpt: Case #7824/3208Y, organics analysis (VOAs only), sample #G-202 to G-207 & G-209, w/TL to P Bisson fr K Kitchingman, 10/23/87 | 1991 |
10/26/87 | Tom Huetteman
Environmental Protection Agency - Region 9
Alisa Greene
Environmental Protection Agency - Region 9 | Neil Ziemba
Environmental Protection Agency - Region 9 | Memo: Approval of sampling plan addendum for 3rd round of sampling, field sampling plan for existing wells | 6289 |
10/30/87 | Neil Ziemba
Environmental Protection Agency - Region 9 | Well Owner/Operator | Ltr: Results of analyses of water samples fr wells, w/summary of info provided in tables 1 & 2 & list of purveyors addresses, rounds 1 & 2, w/o tables | 5573 |
12/1/87 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA selects groundwater treatment plan for El Monte area hazardous waste site (issue #4, in English & Spanish) | 12888 |
12/15/87 | Patricia Port
US Dept of the Interior - Office of Environmental Project Review | Director
US Dept of the Interior - Office of Environmental Project Review | Memo: Notification that preliminary natural resources survey for San Gabriel Valley area 2 site, Baldwin Park, reveals that releases fr site have not affected any lands, minerals, or Indian resources managed or protected by Dept of Interior (draft) | 10762 |
12/22/87 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8440/3435Y #1, organics VOA analysis, sample #3435Y-319, 322, 325 & 331, w/TL to P Bisson fr K Kitchingman 1/15/88 | 1852 |
12/23/87 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8419/3435Y #2, organics VOA analysis, sample #3435Y-333, -345, -346, -350, etc, w/TL to P Bisson fr K Kitchingman 1/15/88 | 1851 |
12/28/87 | William Bruton, Jr
Southwest Laboratory of Oklahoma | - | Data validation rpt: Case #8419/3435Y #4, organics VOA & SVOA analysis, sample #YC230-YC243, w/TL to G Baker fr K Kitchingman 1/26/88 | 1854 |
12/30/87 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8419/3435Y #3, organics VOA analysis, sample #3435Y-332, 337, 340 & 342, w/TL to P Bisson fr K Kitchingman 1/15/88 | 1853 |
1/4/88 | William Bruton, Jr
Alliance Technologies, Inc | - | Data validation rpt: Case #8440/3435Y #5, organics VOA analysis, sample #3435Y-377, 378, 381, 386, 388 & 391, w/TL to G Baker fr K Kitchingman 1/26/88 | 1855 |
1/6/88 | Linn Magoffin
Main San Gabriel Basin Watermaster | - | Resolution #1-88-56, resolution of Main San Gabriel Basin Watermaster amending Watermaster's rules & regulations to exempt or modify production assessments for basin cleanup production by adding section 18(e) | 8293 |
1/8/88 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8440/3435Y #6, organics VOA analysis, sample #3435Y-3107, 3109, 3110 & 3111, w/TL to G Baker fr K Kitchingman 1/26/88 | 1856 |
1/22/88 | Mark Henry
C H 2 M Hill
John Keller
C H 2 M Hill | Neil Ziemba
Environmental Protection Agency - Region 9 | Request for analysis for 4th round of sampling, field sampling plan for sampling existing wells - addendum, w/cover page fr CH2M Hill to EPA, 6/3/91 | 5757 |
2/1/88 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8419/3435Y #7, organics VOA analysis, sample #3435Y-334, 335, 338, 339, 343, etc, w/TL to P Bisson fr K Kitchingman 2/11/88 | 1857 |
2/1/88 | William Bruton, Jr
Alliance Technologies, Inc | - | Data validation rpt: Case #8419/3435Y #10, organics VOA analysis, sample #3435Y-3112, -3113, -3116 & -3118, w/TL to P Bisson fr K Kitchingman 2/19/88 | 1860 |
2/3/88 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8419/3435Y #8, organics VOA analysis, sample #3435Y-379 to -385, -387, -389, etc, w/TL to P Bisson fr K Kitchingman 2/11/88 | 1858 |
2/4/88 | William Bruton, Jr
Alliance Technologies, Inc | - | Data validation rpt: Case #8419/3435Y #9, organics VOA analysis, sample #3435Y-396 to -399, -3100 to -3106, w/TL to P Bisson fr K Kitchingman 2/19/88 | 1859 |
2/6/88 | Donna Oswald
C H 2 M Hill | - | Data validation rpt: Case #8419/3435Y #12, organics BNA analysis, sample #YC244-YC246, w/TL to P Bisson fr K Kitchingman 2/19/88 | 1842 |
2/9/88 | William Bruton, Jr
Alliance Technologies, Inc | - | Data validation rpt: Case #8419/3435Y #11, organics VOA analysis, sample #3435Y-305 to -313, -318, 320, etc, w/TL to P Bisson fr K Kitchingman 2/19/88 | 1841 |
2/18/88 | Mike Ward
Los Angeles Times | - | Newsclip: Huge costs, decades of work seen in job of purifying water, w/marginalia fr Terry to Paula (Bisson) re need to talk about story | 10674 |
2/29/88 | C H 2 M Hill | - | San Gabriel well sampling, sample number cross reference list, round 3 (cross-references "Data validation rpt" documents 1841 thru 1843, 1851 thru 1860) | 11323 |
3/8/88 | Greg Nicoll
I C F Technology, Inc | - | Data validation rpt: Case #3435Y #13, organics analysis, sample #3435Y-346, -351, -376 & -3116, w/TL to P Bisson fr K Kitchingman 3/8/88 | 1843 |
5/1/88 | P Chattopadhyay
Ecology & Environment, Inc | Environmental Protection Agency - Region 9 | Documentation requirements for data validation of non-CLP laboratory data for organic & inorganic analyses | 5415 |
5/12/88 | Mike Ward
Los Angeles Times | - | Newsclip: Pollution moves on - 'cleaner' well not really good news, experts on groundwater problem say, w/photo of S Yarbrough & map showing open & closed wells in Baldwin Park area | 10225 |
5/13/88 | Karen Bankert
Maxwell Laboratories, Inc - S-CUBED Laboratory | - | Data validation rpt: Case #3654Y #1, 20 water samples, analysis SAS volatiles, sample #W126-145 (completed between 4/87 & 2/88), w/TL 5/13/88 & cross reference list, round 4 | 2004 |
6/1/88 | James M Montgomery Consulting Engineers, Inc | US Army Corps of Engineers | Engineering rpt, confirmatory study for contamination evaluation - former Owl 4X plant, Azusa [Cont #DACA87-86-D-0048] | 5019 |
6/1/88 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA proposes cleanup plan for contaminated groundwater at Suburban Water Systems' Bartolo Well Field in Whittier Narrows area (Issue #5) | 6873 |
6/20/88 | Neil Ziemba
Environmental Protection Agency - Region 9 | Well Owner/Operator | Ltr: Transmittal of analytical results for EPA-sampled wells, w/attchs | 5889 |
8/1/88 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft technical memo: San Gabriel basin groundwater sampling, w/plates 1-4 | 2563 |
9/25/88 | Mike Ward
Los Angeles Times | - | Newsclip: EPA may help fund search for sources of tainted water | 10228 |
9/29/88 | Peter Rogers
CA Dept of Health Services - Public Water Supply Branch | P W S B Management Staff | Memo: Transmittal of policy guidance for direct domestic use of groundwater contaminated with toxic substances 9/22/88, w/attch | 11968 |
11/29/88 | Los Angeles County - Dept of Public Works | - | Table: Amounts of water recharged at Irwindale spreading grounds, 1987-1992 | 11960 |
1/9/89 | Lee Garber
San Gabriel Valley Tribune, Inc | - | Newsclip: Group (East San Gabriel Valley League of Women Voters) seeks public role in water cleanup | 10644 |
2/1/89 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA selects remedy to treat groundwater at Bartolo Well Field (fact sheet #6) | 12889 |
2/16/89 | Lee Garber
San Gabriel Valley Tribune, Inc | - | Newsclip: Community group plans 4 open meetings on water contamination, w/photo of Mary Johnson, League of Women Voters | 10358 |
4/1/89 | Environmental Protection Agency - Region 9 | - | Preparation of EPA Region 9 sample plan for EPA-lead Superfund projects, w/memo 6/1/89 fr T Huetteman, Quality Assurance Management Section to Superfund RPMs & RPOs | 5494 |
4/10/89 | US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry | - | Preliminary health assessment for San Gabriel Valley, areas 1-4 | 5703 |
5/12/89 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft field sampling plan for well logging & depth-specific sampling of wells, area 5 remedial investigation | 2661 |
5/25/89 | Tom Huetteman
Environmental Protection Agency - Region 9 | Neil Ziemba
Environmental Protection Agency - Region 9 | Memo: Review of field sampling plan for well logging & depth-specific sampling of wells, San Gabriel area 5 | 10417 |
6/1/89 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Revised community relations plan, San Gabriel Valley sites | 2642 |
6/5/89 | A Schilling
Environmental Protection Agency - Region 9 | Deanna Wieman
Environmental Protection Agency - Region 9 | Memo: Testimony of Jeff Zelikson, Director of Hazardous Waste Management Div before US House of Representatives Subcommittee on Environment & Labor | 5726 |
6/22/89 | Russell Ford
Malcolm Pirnie, Inc
Scott Phillips
Malcolm Pirnie, Inc
Robert Raczko
Malcolm Pirnie, Inc
Harish Arora
Malcolm Pirnie, Inc | - | Article: Developing carbon usage rate estimates for synthetic organic chemicals (presented at American Water Works Assn conference, 6/18/89-6/22/89) | 1431 |
7/1/89 | Environmental Protection Agency - Region 9 | - | Cross reference list for laboratory rpts for EPA depth-specific sampling of wells 91901439, 08000060 & 01900031 completed in 6/89 & 7/89 (cross-references "Data validation" & "Quallity assurance" documents 2146, 2147, 2163, 2166, 2601, 2602, 10385) | 11893 |
7/3/89 | Timothy Jochem
Main San Gabriel Basin Watermaster | Neil Ziemba
Environmental Protection Agency - Region 9 | Ltr: Notification that 2 Valley County Water District wells show detectable levels of PCE & TCE & request for meeting to discuss development that shows importance of Azusa/Baldwin Park OU RI/FS | 10203 |
7/17/89 | Irene Chang
Los Angeles Times | - | Newsclip: Rewards are offered for identities of firms linked to water pollution, w/Spanish language newsclip fr La Opinion re EVO | 10261 |
7/24/89 | John Korey
East Valleys Organization | Jeff Zelikson
Environmental Protection Agency - Region 9 | Ltr: Expression of appreciation for appearance at annual assembly on 7/16/89 & offering of assurance that EPA cleanup plan will be completed by year's end & support for concept of toxic cleanup reward fund | 10259 |
7/24/89 | Rachel Artap
I C F Technology, Inc | - | Unvalidated data & data validation request - case #LV918/4707Y, memo #1, water samples for SAS inorganic analyses, w/TL fr D Bingham, 7/27/89 | 10385 |
8/1/89 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA to propose basinwide technical plan [#7] | 5379 |
8/23/89 | Jack Berges | - | Quality assurance rpt - case #SAS 12056/4680Y memo #1, matrix/analyses organics, w/TL fr K Kitchingman to N Ziemba, 9/6/89 & TL fr Lockheed, 8/25/89 | 2602 |
8/24/89 | Lee Garber
San Gabriel Valley Tribune, Inc | - | Newsclip: EPA clean water plan revealed - finding, forcing private firms to clean defended | 10366 |
8/29/89 | Alyce Wasden
Lockheed Corp | - | Quality assurance rpt - CASE #SAS 12056/4680Y, memo #2, matrix/analyses water/VOA, w/TL fr Kitchingman to N Ziemba, 9/11/89 & TL fr Lockheed, 8/29/89 | 2601 |
9/1/89 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG239, 240, 241 | 1548 |
9/10/89 | Mike Ward
Los Angeles Times | - | Newsclip: EPA to contact possible water contaminators | 10648 |
9/26/89 | Lee Garber
San Gabriel Valley Tribune, Inc | - | Newsclip: Program would target Valley water polluters, w/photo of Ira Reiner, John Korey, Esteban Torres & Daniel McGovern at meeting | 10652 |
10/2/89 | C Jones
C H 2 M Hill | - | Data validation rpt: Case #12332/4608Y, memo #5, organic (SVOCs) analysis, w/TL to N Ziemba fr D Bingham | 2146 |
10/2/89 | C Jones
C H 2 M Hill | - | Data validation rpt: Case #12056/4608Y, memo #3B, organic (SVOAs) analysis, w/TL to N Ziemba fr D Bingham | 2147 |
10/2/89 | C Jones
C H 2 M Hill | - | Data validation rpt: Case #12056/4608Y, memo #3 & 4, organic (VOAs) analysis, w/TL to N Ziemba fr D Bingham | 2166 |
12/6/89 | Margie Merced
I C F Technology, Inc | - | Data validation rpt: Case #SAS 4906Y, memo #6, inorganic analyses, w/TL to N Ziemba fr S Lee 12/13/89 | 2163 |
1/1/90 | Los Angeles County - Dept of Public Works | - | Table of rates & volumes of water recharged in San Gabriel Basin spreading grounds, 1978/79 to 1989/90 | 1441 |
1/1/90 | E N S R Consulting & Engineering | CA Regional Water Quality Control Board - Los Angeles Region | Workplan for groundwater assessment - Valspar facility, 1004 W 10th St, Azusa | 3774 |
3/1/90 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG339, 340, 350, 352-355 | 1537 |
3/5/90 | William Stewart
Valspar Corp, The | Phillip Ramsey
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Addendum to 1/90 workplan for subsurface investig at Valspar facility, Azusa & response to comments in ltr 2/2/90 fr P Ramsey [File #108.1034] | 9050 |
3/15/90 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Groundwater pollution probe shifts target, focus now on Azusa, Baldwin Park, w/ltr to editor fr Glendora resident B Mee, 'Critical lawsuit', re Resource Board lawsuit | 10350 |
4/1/90 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG242, 244, 245 | 1529 |
4/1/90 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA releases San Gabriel basinwide technical plan [#8] | 3250 |
4/10/90 | Linn Magoffin
Main San Gabriel Basin Watermaster | Don Maughan
CA Water Resources Control Board | Ltr: Comments on preliminary draft San Gabriel groundwater basin White Paper (draft, unsigned) | 10316 |
4/10/90 | Kris Helm
Metropolitan Water District of Southern California | David Cohen
CA Water Resources Control Board | Ltr: Comments on White Paper which addresses San Gabriel groundwater quality management plan institutional & financial issues | 10321 |
4/16/90 | Environmental Protection Agency - Region 9 | - | Press release: Environmental News - release of basinwide technical plan & White Paper describing comprehensive long-term approach to control spread of groundwater contamination & cleanup of San Gabriel Valley on 4/17/90 in Baldwin Park | 10318 |
4/17/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Basinwide technical plan rpt, v1 of 2 (public review draft) | 4053 |
4/17/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Basinwide technical plan rpt, v2 of 2 (public review draft) | 4054 |
4/18/90 | Law Environmental, Inc | Azusa Land Reclamation Co, Inc | 1989 annual rpt, groundwater monitoring - Azusa Land Reclamation Landfill, Azusa | 1553 |
4/18/90 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Groundwater cleanup plan targets Azusa, Baldwin Park, w/map of Baldwin Park area | 10352 |
4/26/90 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | William Stewart
Valspar Corp, The | Ltr: Approval of revised workplan - Valspar Corp, 1004 W 10th St, Azusa [File #108.1034] | 11060 |
4/30/90 | Michael Whitehead
San Gabriel Valley Water Co | Main San Gabriel Basin Watermaster | Ltr: Comments & recommendations on proposals to fundamentally alter Main San Gabriel Basin Judgment that governs withdrawal of groundwater fr basin | 10323 |
4/30/90 | A Krueger
Upper San Gabriel Valley Water Assn | Main San Gabriel Basin Watermaster | Ltr: Recommendation for Watermaster to defer any amendments to Judgment as suggested in resolution until clear & well-defined plan developed & adopted | 10326 |
5/1/90 | Kenneth Scarbrough
Environmental Protection Agency - Environmental Monitoring Systems Laboratory | Neil Ziemba
Environmental Protection Agency - Region 9 | Memo: EMSL-LV Support Center comments on Whittier Narrows comparison project, w/memo fr C Carlsen, et al, to N Ziemba re overview | 2548 |
5/1/90 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Azusa firms linked to pollution - Aerojet, OSCO (Oil & Solvent Process Co) cited by EPA | 10636 |
5/1/90 | CA Water Resources Control Board | - | Resolution #68-16, statement of policy with respect to maintaining high quality of waters in California, w/appendix 1, chapter 4 | 11978 |
5/1/90 | Environmental Protection Agency - Region 9
CA Water Resources Control Board
CA Regional Water Quality Control Board - Los Angeles Region | - | Public notice: Invitation to community workshops, 5/15/90 & 6/28/90, on draft basinwide technical plan & White Paper on groundwater contamination in San Gabriel Valley | 12890 |
5/1/90 | Environmental Protection Agency - Region 9 | - | Fact sheet: Groundwater treatment begins for El Monte residents (#9), w/photo of Richwood Mutual Water Co's carbon adsorption treatment plant | 12891 |
5/2/90 | Randell Vogel
Suburban Water Systems | Main San Gabriel Basin Watermaster | Ltr: Suburban Water Systems strongly urges Watermaster to complete study & preparation of Basin Cleanup Plan prior to adopting amendment to Judgment | 10327 |
5/22/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft technical memo: Well logging & depth-specific sampling of wells, San Gabriel area 5 remedial investigation | 2656 |
6/8/90 | Thomas Deane
Kennedy, Jenks, Chilton | Phillip Ramsey
CA Regional Water Quality Control Board - Los Angeles Region | Techical workplan for installation, development & water sampling of gw monitoring well, California Amforge, Azusa, w/TL 8/23/90 & attch [File #108.0569] | 4045 |
7/1/90 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG246, 246A, 247 | 1530 |
7/1/90 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG248, 249, 250, 251 | 1531 |
7/1/90 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG251, 252, 253 | 1532 |
7/9/90 | Frank Stillman
Triad Foundation Engineering, Inc | Phaostron Instrument & Electronic Co, Inc | Ltr: Addendum to discovery well workplan 5/22/90, ref ltr 6/21/90 fr Regional Board - 717 N Coney Ave, Azusa, w/ODEX drilling procedure | 8591 |
7/12/90 | Pico Rivera News | - | Newsclip: EPA seeks tips to nail contaminators (rewards of up to $10,000) | 10612 |
7/23/90 | Gerald Hiatt
Environmental Protection Agency - Region 9 | Tony Mancini
CA Regional Water Quality Control Board - San Francisco Bay Region | Ltr: Response to inquiry re treatment of 1,1-dichloroethylene (1,1-DCE, CAS 75-35-4) for purpose of risk assessment & setting cleanup goals | 11969 |
8/1/90 | E N S R Consulting & Engineering | - | Groundwater assessment rpt - Valspar Corp, 1004 W 10th St, Azusa [File #108.1034] | 2157 |
8/2/90 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Cooperative sought for water cleanup - Metropolitan Water District (MWD) supports joint authority for 4 agencies | 10609 |
8/6/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | San Gabriel area 5 RI - draft quality assurance project plan for well logging & depth-specific sampling | 2468 |
8/6/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft quality assurance project plan for sampling existing wells - San Gabriel area 5 remedial investigation | 5667 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | David De Jesus
Covina Irrigating Co | Ltr: Well logging & depth-specific sampling of Baldwin Park #3 well | 11835 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gene Schafer
Suburban Water Systems | Ltr: Well logging & depth-specific sampling of Suburban Water System's well 140/WA | 11836 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | Vern Gilbert
City of Glendora - Water Dept | Ltr: Sampling of City of Glendora wells 7G & 4E | 11837 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | Stan Yarbrough
Valley County Water District | Ltr: Well logging & depth-specific sampling of Valley County Water District's Big Dalton & Morada wells & wellhead sampling of 8 Arrow Hwy well | 11838 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerald Black
San Gabriel Valley Water Co | Ltr: Well logging & depth-specific sampling of San Gabriel Valley Water Co's B6C well & wellhead sampling of well B6B | 11839 |
8/24/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | Steve Polopolus, resident
City of Corona | Ltr: Notification of wellhead sampling planned this fall in Baldwin Park area | 11840 |
8/28/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Sampling & analysis plan for sampling existing wells - San Gabriel area 5 remedial investigation | 2562 |
8/31/90 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | William Taylor
California Amforge Corp | Ltr: Revised supplementary subsurface soil investigation workplan by Kennedy/Jenks/Chilton is approved, w/TL 8/23/90 [File #108.0569] | 9299 |
9/5/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Sampling & analysis plan for well logging & depth-specific sampling of wells, San Gabriel area 5 RI | 5644 |
9/6/90 | Tom Huetteman
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Review of sampling & analysis plan for sampling existing wells, San Gabriel area 5, w/attch | 11322 |
9/10/90 | Robert Collar
C H 2 M Hill | Tom Huetteman
Environmental Protection Agency - Region 9 | Memo: Addendum to sampling & analysis plan (SAP) for existing wells, San Gabriel area 5 RI dated 8/28/90 | 11321 |
9/28/90 | Tom Huetteman
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Review & approval of sampling & analysis plan for well logging & depth-specific sampling of wells, San Gabriel area 5, 9/5/90 | 11320 |
10/26/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | San Gabriel areas 5 & 6, draft quality assurance project plan (QAPP) for monitoring well installation & sampling | 1815 |
10/29/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | William Allan
US Dept of the Interior - Office of Environmental Project Review | Ltr: Notification of potential damages to natural resources & EPA's intent to initiate negotiations with PRPs & status of 5 operable units, w/o attch | 10491 |
10/29/90 | Wayne Praskins
Environmental Protection Agency - Region 9 | CA Resources Agency - Natural Resources Trustee | Ltr: Notification of potential damages to natural resources & EPA's intent to initiate negotiations with PRPs & status of 5 San Gabriel Valley OUs, w/o attch | 10492 |
11/1/90 | E N S R Consulting & Engineering | - | Groundwater monitoring rpt - Valspar Corp, 1004 W 10th St, Azusa [File #108.1034] | 2175 |
11/9/90 | Kent Kitchingman
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Approval of San Gabriel basin areas 5 & 6 quality assurance project plan for monitoring well installation 10/26/90 | 9093 |
11/9/90 | Kent Kitchingman
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Approval of San Gabriel basin area 5 quality assurance project plans | 11319 |
11/19/90 | Richard Wilson
Kennedy, Jenks, Chilton
Thomas Deane
Kennedy, Jenks, Chilton | William Taylor
California Amforge Corp | Groundwater monitoring well construction & sampling - California Amforge Corp, 750 N Vernon Ave, Azusa, w/TL dated 11/19/90 [File #108.0569] | 2830 |
11/26/90 | David Jones
Environmental Protection Agency - Region 9 | Robert Ghirelli
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Description of plans for disposing of water produced by new sampling of 15 wells in Baldwin Park & neighboring areas | 11864 |
11/27/90 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Sampling & analysis plan for monitoring well installation & sampling, San Gabriel areas 5 & 6, w/TL 11/27/90 to L Otis | 3614 |
11/28/90 | Robert Collar
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Addendum (#2) to sampling & analysis plan (SAP) for existing wells, San Gabriel area 5 remedial investigation 8/28/90 | 11609 |
12/1/90 | Environmental Protection Agency - Region 9 | - | Public notice: Sampling of existing groundwater wells in Baldwin Park & Azusa starting 12/13/90 | 12892 |
12/1/90 | Environmental Protection Agency - Region 9 | - | Public notice: Testing of existing groundwater wells in Baldwin Park starting 12/26/90 | 12893 |
12/5/90 | David Towell
C H 2 M Hill | Neil Ziemba
Environmental Protection Agency - Region 9 | Memo: Response to EMSL Whittier Narrows Westbay comparison study comments (unsigned) | 2568 |
12/10/90 | CA Superior Court - Los Angeles County | - | Upper San Gabriel Valley Municipal Water District vs City of Alhambra, et al - intended decision re amendment to judgment [#924128] | 11961 |
12/11/90 | Randa Cardwell
San Gabriel Valley Tribune, Inc | - | Newsclip: Judge gives water agency some control over pumping in cleanup | 10387 |
12/13/90 | Richard Wilson
Kennedy, Jenks, Chilton
Thomas Deane
Kennedy, Jenks, Chilton | William Taylor
California Amforge Corp | Ltr: 11/90 groundwater sampling & laboratory analysis results - California Amforge Corp, 750 N Vernon Ave, Azusa, w/attchs [File #108.0569] | 2826 |
1/1/91 | I C F Technology, Inc | - | Data validation rpts: Sampling wells 1902971, 1900882, 1902920, 1900034, 8000070, Z1000006, V10AMMW1, 1901524, 71900721, 1900035, 1900831, 1902169, samples collected 9/90-1/91 | 1595 |
1/1/91 | Main San Gabriel Basin Watermaster | - | Fact sheet: Watermaster prepares technical plan to address groundwater cleanup in Main San Gabriel Basin | 10425 |
1/3/91 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | Richard Cobb
Norac Co, Inc, The | Ltr: Approval of 11/9/90 revised supplementary subsurface investigation workplan & 12/17/90 workplan addendum - Norac Co, Azusa [File #108.0566] | 11909 |
1/16/91 | Richard Wilson
Kennedy, Jenks, Chilton
Thomas Deane
Kennedy, Jenks, Chilton | William Taylor
California Amforge Corp | Ltr: 12/90 groundwater sampling & laboratory analysis results - California Amforge, 750 N Vernon Ave, Azusa, w/attch [File #108.0569] | 2787 |
1/28/91 | Law Environmental, Inc | Azusa Land Reclamation Co, Inc | 1990 annual rpt, waste disposal & groundwater monitoring - Azusa Land Reclamation Landfill, Azusa | 1554 |
1/28/91 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft technical memo: Area 5 RI, disposal alternatives for water generated during well logging, depth-specific sampling & wellhead sampling | 1567 |
1/29/91 | Florence Pickard
CA Superior Court - Los Angeles County | - | Order #924129, amending judgment to expand Watermaster's powers to include maintenance, improvement & control of water quality, etc, hearing 8/7/90 | 2505 |
2/15/91 | Thomas Deane
Kennedy, Jenks, Chilton
Richard Wilson
Kennedy, Jenks, Chilton | William Taylor
California Amforge Corp | Ltr: Results of laboratory analyses on groundwater samples collected 1/24/91 fr well MW1 - California Amforge Corp site, 750 N Vernon Ave, Azusa, w/attchs [File #108.0569] | 3055 |
3/1/91 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG255, 281, 282, 283 | 1533 |
3/5/91 | Frank Stillman
Triad Foundation Engineering, Inc | Hurst Funfstuck
Phaostron Instrument & Electronic Co, Inc | Ltr: Addendum to discovery well workplan dated 5/22/90 & 7/9/90 - Phaostron Instrument & Electronic Co, 717 N Coney Ave, Azusa, w/attchs [File #108.0678] | 2882 |
3/5/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Carlos Alvarado
City of Irwindale - Office of City Engineer | Ltr: Request for approval re installion & sampling of groundwater monitoring well on City of Irwindale property at 14910 Los Angeles St, Irwindale | 9737 |
3/5/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Carlos Alvarado
City of Irwindale - Office of City Engineer | Ltr: Request for approval to install groundwater monitoring well on city property at 14910 Los Angeles St, Irwindale & site access for EPA staff | 11660 |
3/6/91 | Robert Collar
C H 2 M Hill | Stan Yarbrough
C H 2 M Hill | Memo: Partial sampling results from Valley County Water District's Arrow Hwy (01900034) & Big Dalton (01900035) wells | 11809 |
3/6/91 | Robert Collar
C H 2 M Hill | Ray McCardell
C H 2 M Hill | Memo: Partial sampling results from Sonoco Products well (01902971) | 11810 |
3/6/91 | Robert Collar
C H 2 M Hill | Richard Wulfing
C H 2 M Hill | Memo: Partial sampling results fr LA County Parks & Recreation's Santa Fe #1 well (08000070) | 11811 |
3/6/91 | Robert Collar
C H 2 M Hill | George Farag
C H 2 M Hill | Memo: Partial sampling results fr LA County Flood Control well 3030F (Z1000006) | 11812 |
3/6/91 | Robert Collar
C H 2 M Hill | David De Jesus
Covina Irrigating Co | Memo: Partial sampling results fr Covina Irrigating Co's Baldwin Park #3 well (01900882) | 11813 |
3/6/91 | Robert Collar
C H 2 M Hill | Gerry Butler
C H 2 M Hill | Memo: Partial sampling results from well MW-1 at Criterion Catalysts facility | 11814 |
3/11/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mary Jaureguy
La Puente Valley County Water District | Ltr: EPA plans for Baldwin Park operable unit & request for information | 11821 |
3/11/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Christel Campa
Valley View Mutual Water Co | Ltr: Request for assistance on EPA's newest project in Baldwin Park OU | 11860 |
3/15/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Carlos Alvarado
City of Irwindale - Office of City Engineer | Ltr: Installation, operation & maintenance of groundwater monitoring well on City of Irwindale property located at 14910 Los Angeles St, Irwindale | 9735 |
3/15/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Carlos Alvarado
City of Irwindale - Office of City Engineer | Ltr: Response to concerns expressed by City of Irwindale to EPA contractor CH2M Hill re time required on-site, insurance, etc, related to monitoring well installation on City of Irwindale property at 14910 Los Angeles St, Irwindale | 11661 |
3/18/91 | Robert Collar
C H 2 M Hill | Kris Helm
Metropolitan Water District of Southern California | Memo: Results from sampling of wells in Baldwin Park/Azusa area, San Gabriel basin, w/o attch | 11815 |
3/18/91 | Robert Collar
C H 2 M Hill | Kevin Smead
Stetson Engineers, Inc | Memo: Results from sampling of wells in Baldwin Park/Azusa area, San Gabriel basin, w/o attch | 11816 |
3/19/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Kris Helm
Metropolitan Water District of Southern California | Ltr: Transmittal of summary of Superfund remedial process & issues that may arise during Baldwin Park project, w/attch | 11820 |
3/21/91 | Carlos Alvarado
City of Irwindale - Office of City Engineer | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Approval of installation of groundwater monitoring well on city property at 14910 Los Angeles St, Irwindale, w/assessor's map | 11662 |
3/21/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | David De Jesus
Covina Irrigating Co | Ltr: EPA plans for Baldwin Park operable unit & schedule for identifying potential remedies | 11822 |
3/25/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Carol Williams
Main San Gabriel Basin Watermaster | Ltr: Transmittal of results of volatile organic compounds & nitrate analyses for 12 Azusa/Baldwin Park area wells recently sampled by EPA, w/attch | 11828 |
4/1/91 | I C F Technology, Inc | - | Data validation rpts fr spinner logging & depth-specific sampling of wells 71903093, 1900035, 1900882, 01900029, 08000093, samples collected 1/91-4/91 | 1594 |
4/1/91 | S C S Engineers | Dri-Powr Co, Inc | Preliminary soil investigation & tank closure rpt - Dri-Powr Co, 735 N Georgia Ave, Azusa [File #108.0796] | 3183 |
4/1/91 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: (Representative Matthew) Martinez blasts EPA actions on toxic cleanup | 10716 |
4/1/91 | Environmental Protection Agency - Region 9 | - | Fact sheet: San Gabriel Valley Superfund Sites, progress rpt (fact sheet #10) | 12894 |
4/2/91 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | Paul McGuirk
Phaostron Instrument & Electronic Co, Inc | Ltr: Approval of revised supplementary subsurface investigation workplan transmitted with ltr 3/7/91 - Phaostron Instruments, 717 N Coney Ave, Azusa [File #108.0678] | 11912 |
4/4/91 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Valley water cleanup plant talks begin (Upper San Gabriel Valley Municipal Water District enters into talks with Metropolitan Water District to build groundwater treatment plant in Baldwin Park) | 10389 |
4/24/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Kevin Smead
Stetson Engineers, Inc | Ltr: Transmittal of lab sheets for volatile organic & nitrate analyses for 12 Baldwin Park area wells sampled by EPA 9/90-1/91 (unsigned), w/o attchs | 11827 |
4/30/91 | Environmental Protection Agency - Region 9 | - | Ltr: General notice form ltr, w/attch 1, recipients of general notice of liability & attch 2, request for info pursuant to section 104 of CERCLA, instructions, definitions & questions | 5948 |
5/1/91 | E N S R Consulting & Engineering | - | Groundwater monitoring rpt - Valspar Corp, 1004 W 10th St, Azusa [File #108.1034] | 2176 |
5/1/91 | Calscience Environmental Laboratories, Inc | C H 2 M Hill | Laboratory results for drill cuttings & development fluids for EPA monitoring well 5-1, 4/91-5/91 | 2331 |
5/1/91 | England, Shahin & Assoc | Norac Co, Inc, The | Phase 2 subsurface investigation & phase 3 workplan - Norac Co, 405 S Motor Ave, Azusa, w/TL dated 5/1/91 [File #108.0566] | 3171 |
5/15/91 | David Towell
C H 2 M Hill
Robert Collar
C H 2 M Hill | Robbie Hedeen
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect groundwater samples - 2nd round of wellhead sampling in areas 5, w/o tables 5-1, 5-2, figure 2 & appendix A | 11613 |
5/17/91 | David Towell
C H 2 M Hill
Robert Collar
C H 2 M Hill | Robbie Hedeen
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect groundwater samples from monitoring wells in areas 5 & 6, w/o request for analyses table 5-4 & appendix A | 11612 |
6/1/91 | E N S R Consulting & Engineering | - | Groundwater monitoring rpt - Valspar Corp, 1004 W 10th St, Azusa [File #108.1034] | 2156 |
6/1/91 | Environmental Protection Agency - Region 9 | - | Fact sheet: Changes proposed for groundwater remedy at Suburban operable unit [Issue #11] | 9640 |
6/5/91 | Main San Gabriel Basin Watermaster | - | Resolution #6-90-85 of Main San Gabriel Basin Watermaster amending its rules & regulations by adding section 28 thereto, re groundwater quality management | 1436 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Stan Yarbrough
Valley County Water District | Ltr: Transmittal of tables re results of analyses performed on samples collected fr Valley County Water District well(s) & abbreviation key, w/attchs | 1580 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | David De Jesus
Covina Irrigating Co | Ltr: Transmittal of tables re results of analyses performed on samples collected fr Covina Irrigating Co well(s) & abbreviation key, w/attchs | 1581 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Steve Polopolus, resident
City of Corona | Ltr: Transmittal of tables re results of analyses performed on samples collected from S Polopolous' well(s) & abbreviation key, w/attchs | 1582 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Tony Lucero
CalMat Co | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected fr Calmat well(s) & abbreviation key, w/attchs | 1583 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Ray McCardell
Sonoco Products Co | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected from Sonoco Products well(s) & abbreviation key, w/attchs | 1584 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Richard Wulfing
Los Angeles County - Dept of Parks & Recreation | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected from LA County well(s) & abbreviation key, w/attchs | 1585 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerry Butler
Criterion Catalyst Co, L P | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected fr Criterion Catalysts well(s) & abbreviation key, w/attchs | 1586 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerald Black
San Gabriel Valley Water Co | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected fr San Gabriel Valley Water Co well & key, w/attchs | 1587 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | George Farag
Los Angeles County - Dept of Public Works | Ltr: Transmittal of tables re results of analyses performed on samples collected from LA County Dept of Public Works well & abbreviation key, w/attch | 1596 |
6/10/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Tony Zampiello
City of Glendora | Ltr: Transmittal of tables summarizing results of analyses performed on samples collected fr City of Glendora well(s) & abbreviation key, w/attchs | 1597 |
6/17/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Dept of Health Services | Ltr: Notification of RI activities in new Baldwin Park OU for San Gabriel Valley sties & request to be informed of any relevant changes in state ARARs or additional ARARs, w/o attch | 9776 |
6/25/91 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Technical memo: San Gabriel area 5 RI, sampling of existing wells | 2467 |
6/25/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Pete Coutts
Chemical Waste Management, Inc | Ltr: Transmittal of results from 1st round of sampling of water supply & monitoring wells in Azusa/Baldwin Park area & well location map, w/o attchs | 11823 |
7/1/91 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG284, 285, 286, 307 | 1534 |
7/1/91 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG309, 310, 316 | 1535 |
7/1/91 | I C F Technology, Inc | - | Data validation rpts: EPA sampling well 1902920, 1900882, 1902971, 8000070, 1901524, 1900029, 1900034, 8000039, 719903093, 1900035, 1902169, 1900831 | 1593 |
7/1/91 | David Jones
Environmental Protection Agency - Region 9 | Anthony Fellow
Main San Gabriel Basin Water Quality Authority | Ltr: Review of negative declaration & initial study for San Gabriel Basin groundwater cleanup pilot & demonstration plants & other docs re proposed wellhead treatment project for Covina Irrigating Co (CIC) site | 11869 |
7/1/91 | David Jones
Environmental Protection Agency - Region 9 | Anthony Fellow
Main San Gabriel Basin Water Quality Authority | Ltr: Acknowledgment of receipt of & comments on materials re proposed Arrow Well wellhead treatment project dated 4/12/91 & 6/12/91 | 11870 |
8/6/91 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | Paul McGuirk
Phaostron Instrument & Electronic Co, Inc | Ltr: Approval of vapor sampling plan, referencing ltr 6/26/91 - Phaostron Instruments & Electronics Co [File #108.0678] | 11913 |
8/7/91 | David Towell
C H 2 M Hill
Robert Collar
C H 2 M Hill | Gail Jones
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect initial groundwater samples fr monitor wells in RI areas 4, 5 & 6, w/o request for analyses table 5-4 & appendix A | 11611 |
9/1/91 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 2665 |
9/1/91 | Rameen Moezzi
I C F Technology, Inc | - | Data validation rpts & laboratory results for EPA monitor wells 1-MP, 2-2, 2-3, 2-4, 2-5, 6-1, 6-2, 5-1, w/sample number cross reference lists, 9/91 | 4175 |
9/3/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | Handout describing EPA plans for proj in Baldwin Park area provided to water purveyor representatives, attendees included R Stone, G Black, etc | 11862 |
9/16/91 | England, Shahin & Assoc | Norac Co, Inc, The | Phase 3 subsurface investigation & groundwater monitoring results - Norac Co, 405 S Motor Ave, Azusa [File #108.0566] | 1508 |
10/1/91 | Truesdail Laboratories, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG321, 323, 324 | 1536 |
10/3/91 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Aerojet to pay for cleanup | 10737 |
10/8/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Nick Pogoncheff
Harding Lawson Assoc | Ltr: Transmittal of table summarizing results of analyses of water samples collected from 12 gw wells in Azusa/Baldwin Park area & map, w/o attchs | 11824 |
10/8/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Main San Gabriel Basin Watermaster
Steve Johnson
Stetson Engineers, Inc | Ltr: Transmittal of 4 items describing recent EPA-sponsored sampling in San Gabriel basin, w/o attchs | 11826 |
10/9/91 | William Uhl
Triad Geotechnical Consultants, Inc | Phaostron Instrument & Electronic Co, Inc | Ltr: Discovery well construction & soil vapor tests, ref workplan 5/22/90, 7/16/91, Regional Board ltr 4/2/91 [File #108.0678] | 2668 |
10/11/91 | Westbay Instruments, Inc | - | Completion rpt for monitoring well MW5-1 equipped with Westbay's MP system, San Gabriel Basin characterization study, w/ltr to D Desai, 10/11/91 | 1817 |
10/15/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Steve Johnson
Stetson Engineers, Inc
Main San Gabriel Basin Watermaster | Ltr: Transmittal of validated results of VOC analyses fr recent EPA-sponsored sampling in San Gabriel basin & cross reference list, w/o attchs | 11825 |
10/24/91 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft workplan, Baldwin Park OUFS | 1572 |
10/28/91 | Esteban Torres
US House of Representatives | Los Angeles Times | Newsclip: Perspective on pollution, it's do-it-ourselves time - contamination of San Gabriel Valley spreading, cleanup partnership proposed, w/map on water contamination in Valley & photo of Representative E Torres | 10390 |
11/21/91 | David Towell
C H 2 M Hill
Robert Collar
C H 2 M Hill | Gail Jones
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect quarterly groundwater samples fr monitoring wells in RI areas 4, 5 & 6, w/request for analyses table, w/o appendix A | 11877 |
12/1/91 | Carolyn Studeny
I C F Technology, Inc | - | Data validation rpts & laboratory analysis for EPA monitoring well 5-1, w/sample number cross reference list, 12/91 | 5596 |
12/2/91 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Technical memo: Well logging & depth-specific sampling of wells - San Gabriel area 5 remedial investigation | 5421 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of results of EPA-sponsored well logging & depth-specific sampling in Baldwin Park area, 1/91-5/91, w/o attch | 11829 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Jonathan Bishop
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Transmittal of 2 rpts providing results of EPA-sponsored sampling in Baldwin Park area, w/o attchs | 11830 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Dept of Health Services | Ltr: Transmittal of 2 rpts providing results of EPA-sponsored sampling in Baldwin Park area, w/o attchs | 11831 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Ltr: Transmittal of 2 rpts providing results of EPA-sponsored sampling in Baldwin Park area, w/o attchs | 11832 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Kris Helm
Metropolitan Water District of Southern California | Ltr: Transmittal of 2 rpts providing results of EPA-sponsored sampling in Baldwin Park area, w/o attchs | 11833 |
12/16/91 | Wayne Praskins
Environmental Protection Agency - Region 9 | Karl Johnson
Main San Gabriel Basin Water Quality Authority | Ltr: Transmittal of 2 rpts providing results of EPA-sponsored sampling in Baldwin Park area, w/o attchs | 11834 |
12/19/91 | John Klein
US Dept of the Interior - Geological Survey | Greg Woodside
C H 2 M Hill | Ltr: Transmittal of instream surface water flow rates in San Gabriel River, 1985/86 to 1990/91 | 1442 |
12/19/91 | US Dept of the Interior - Geological Survey | - | Table: Flow rates in San Gabriel River below Santa Fe Dam, 1985-1992 | 1455 |
1/1/92 | K Martins
C H 2 M Hill | - | Article: Practical guide to determine impact of radon & other radionuclides on water treatment processes (Water Science Technology, v26, #5-6: 1255-64 | 1427 |
1/1/92 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 1490 |
1/8/92 | Environmental Protection Agency - Region 9 | - | Handout at meeting w/San Gabriel Basin water purveyors, w/list of attendees | 11964 |
1/10/92 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: San Gabriel Basin Watermaster power slashed - court: political use of funds violated board authority | 10386 |
1/14/92 | Lee Dodge
Chemical Waste Management, Inc | Dennis Dickerson
CA Environmental Protection Agency - Dept of Toxic Substances Control
Jeff Zelikson
Environmental Protection Agency - Region 9 | Ltr: Response to EPA's views re RCRA facility investigation (RFI), phase 3 expressed at 12/23/91 meeting, w/proposed monitoring well locations map | 11967 |
1/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Nick Pogoncheff
Harding Lawson Assoc | Ltr: Transmittal of CH2M Hill memo re results of logging & depth-specific sampling of 5 existing wells in Azusa/Baldwin Park area, w/o attch | 11808 |
1/22/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gene Shafer
Suburban Water Systems | Ltr: Transmittal of results of logging & depth-specific sampling of Suburban Water Systems well, w/o attchs | 11804 |
1/22/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerald Black
San Gabriel Valley Water Co | Ltr: Transmittal of results of logging & depth-specific sampling of San Gabriel Valley Water Co well, w/o attchs | 11805 |
1/22/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | David De Jesus
Covina Irrigating Co | Ltr: Transmittal of results of logging & depth-specific sampling of Covina Irrigating Co well, w/o attchs | 11806 |
1/22/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Stan Yarbrough
Valley County Water District | Ltr: Transmittal of results of logging & depth-specific sampling of Valley County Water District wells, w/o attchs | 11807 |
1/22/92 | Los Angeles County - Dept of Public Works | - | Table: Amounts of water recharged at Santa Fe spreading grounds, 1987-1992 | 11959 |
1/30/92 | Law Environmental, Inc | Azusa Land Reclamation Co, Inc | 1991 annual rpt, groundwater monitoring & waste disposal - Azusa Land Reclamation Landfill, Azusa | 1552 |
2/5/92 | Jeff Zelikson
Environmental Protection Agency - Region 9 | Lee Dodge
Chemical Waste Management, Inc | Ltr: Approval of RCRA facility investigation, phase 3 for Oil & Solvent Process Co, Azusa, 11/18/91, w/o mail receipt #P678-973-429 | 11966 |
2/12/92 | Levine-Fricke | - | Workplan #3, soil vapor monitoring well nest & groundwater monitoring well installation - Wynn Oil Co facility, Azusa [File #108.0598] | 1550 |
3/2/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | Handout describing Superfund process provided to attendees at Main San Gabriel Basin Water Quality Authority public advisory group | 11861 |
3/4/92 | Robert Collar
C H 2 M Hill | Jane Anderson
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect quarterly groundwater samples fr monitoring wells in RI areas 4, 5 & 6, w/request for analyses, table 1 & appendix A, analytical & QC procedures | 1821 |
3/4/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of validated results of VOC analyses fr EPA's Baldwin Park monitoring well #5-1, 1st round of sampling completed 9/91, w/o attchs | 11841 |
3/4/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | James Goodrich
San Gabriel Basin Water Quality Authority | Ltr: Transmittal of EPA's San Gabriel supplemental sampling plan rpt completed 5/86 (3 v), w/o attchs | 11842 |
3/6/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Robert Pease
South Coast Air Quality Management District | Ltr: Request that support agency communicate additional ARARs for Baldwin Park OU, w/attchs | 11555 |
3/6/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Request that support agency communicate additional ARARs for Baldwin Park OU, w/attchs | 11556 |
3/6/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Ken Harris
CA Water Resources Control Board | Ltr: Request that support agency communicate additional ARARs for Baldwin Park OU, w/attchs | 11557 |
3/6/92 | Roy Sakaida
CA Regional Water Quality Control Board - Los Angeles Region | Mark Filowitz
Wynn Oil Co | Ltr: Approval of 2/12/92 soil vapor & groundwater monitoring wells workplan - Wynn Oil Co, Azusa [File #108.0598] | 11910 |
3/9/92 | Stephen Johnson
Stetson Engineers, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Response to Wayne Praskins's inquiry re local work being performed on trend of basin contamination & vulnerability of wells to VOC contamination | 11844 |
3/12/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Nick Pogoncheff
Harding Lawson Assoc | Ltr: Transmittal of table re results of 1st 2 rounds of sampling of EPA-sponsored wells near mouth of Puente basin (#MW6-1, MW6-2A, MW6-2B), w/o attchs | 11843 |
4/1/92 | Engineering-Science, Inc | California Portland Cement Co | Contaminated soil excavation & removal rpt - California Portland Cement Co, 1030 W Gladstone, Azusa [File #108.1709] | 339 |
4/1/92 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 1491 |
4/1/92 | Barbara Gordon
I C F Technology, Inc | - | Data validation rpts & laboratory results for EPA monitor wells 1-MP, 2-2, 2-3, 2-4, 2-5, 5-1, 6-1, 6-2, w/sample # cross reference lists, 4/92 | 5958 |
4/13/92 | Joan Dollarhide
Environmental Protection Agency - Environmental Criteria & Assessment Office | Stanford Smucker
Environmental Protection Agency - Region 9 | Memo: Transmittal of provisional oral RfD for trichloroethylene (TCE) (CAS #79-01-6)(Motorola 52nd St, Phoenix, AZ), w/attch | 1440 |
4/29/92 | David Jones
Environmental Protection Agency - Region 9 | Mark Leary
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: No response re 2 requests (6/91, 3/92) that state identify ARARs for Baldwin Park OU | 11315 |
5/1/92 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA & Regional Board enforcement programs in San Gabriel Valley (#12) | 10814 |
5/11/92 | Stanford Smucker
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Review of draft preliminary risk assessment, Baldwin Park operable unit feasibility study 4/24/92 prepared by CH2M Hill | 14025 |
5/15/92 | Jonathan Harris
C H 2 M Hill | Brendan Harley
Camp Dresser & McKee, Inc | Ltr: Transmittal of Bernoulli cartridge of water quality data for production & monitoring wells through 1/92 & input & output files for CFEST-based groundwater model developed as part of RI of San Gabriel Basin, w/o attchs | 12212 |
5/22/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Andrew Shelton
Meredith/Boli & Assoc, Inc | Ltr: Transmittal of floppy disc containing 6 files from EPA's San Gabriel basin groundwater database, for use in investig of OSCO in Azusa, w/o attchs | 11845 |
5/26/92 | Frances McChesney
CA Water Resources Control Board | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: State & Regional Board applicable & relevant & appropriate requirements (ARARs) for Baldwin Park OU, w/o attch | 11665 |
6/1/92 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 1492 |
6/9/92 | David Towell
C H 2 M Hill | Jane Anderson
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect quarterty groundwater samples fr monitoring wells in San Gabriel RI areas 4, 5 & 6, w/request for analysis table | 11610 |
6/10/92 | Frances McChesney
CA Water Resources Control Board | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmittal of correct attch for 5/26/92 ltr re State & Regional Water Board ARARs for Baldwin Park OU, w/attch | 11666 |
6/17/92 | Daniel McGovern
Environmental Protection Agency - Region 9 | James Strock
CA Environmental Protection Agency | Ltr: Request for meeting with C Boronkay of Metropolitan Water District of Southern California in late 8/92 & transmittal of issue paper entitled involvement of MWDSC in cleanup of San Gabriel Basin, w/attch | 11314 |
6/22/92 | Levine-Fricke | - | Groundwater monitoring well installation & initial sampling results - Wynn Oil Co facility, Azusa [File #108.0598] | 1549 |
6/22/92 | Frank Stillman
Triad Geotechnical Consultants, Inc | Paul McGuirk
Phaostron Instrument & Electronic Co, Inc | Ltr: Water sample/soil gas survey 2 - Phaostron, 717 N Coney Ave, Azusa, w/attchs [File #108.0678] | 1568 |
7/1/92 | Ian Jensen
I C F Technology, Inc | - | Data validation rpts & laboratory results for EPA monitor wells 1-MP, 2-2, 2-3, 2-4, 2-5, 5-1, 6-1, 6-2, w/sample number cross reference lists, 7/92 | 5975 |
7/14/92 | Stephen Torres
Levine-Fricke | Alex Carlos
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Purging test for soil vapor wells - Wynn Oil Co, Azusa, w/o attch [File #108.0598] | 11911 |
7/21/92 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Interim RI rpt, San Gabriel Basin | 2497 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | James Goodrich
Main San Gabriel Basin Water Quality Authority | Ltr: Transmittal of EPA interim RI rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11793 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Richard Hansen
Three Valleys Municipal Water District | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11794 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Norman
Central & West Basin Water Replenishment District | Ltr: Transmittal of EPA interim RI rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11795 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Richard Atwater
Central Basin Municipal Water District | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11796 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11797 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Tim Hampton
Metropolitan Water District of Southern California | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11798 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11799 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Jonathan Bishop
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11800 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11801 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Ken Harris
CA Water Resources Control Board | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11802 |
7/21/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Bob Stallings
San Gabriel Valley Municipal Water District | Ltr: Transmittal of EPA interim remedial investigation rpt & 2 bibliographies listing docs describing sampling efforts, w/o attchs | 11803 |
7/24/92 | California Environmental | Fairchild Industries, Inc | Installation & sampling of soil gas vapor test wells rpt - Pacific Precision Metals (aka Tubing Seal Cap), 601 S Vincent Ave, Azusa [File #108.1029] | 1942 |
8/6/92 | Levine-Fricke | - | Groundwater monitoring rpt - Wynn Oil facility, Azusa [File #108.0598] | 1569 |
9/1/92 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA announces proposed plan for Whittier Narrows (#13) | 10811 |
9/16/92 | Robert Collar
C H 2 M Hill | Jane Anderson
Environmental Protection Agency - Region 9 | Memo: Notice of intent to collect quarterly groundwater samples fr monitoring wells in RI areas 4, 5 & 6, w/request for analyses table, w/o appendix A | 1566 |
9/22/92 | Steve Scauzillo
San Gabriel Valley Tribune, Inc | - | Newsclip: Wilson OKs Valley water cleanup agency | 11856 |
9/23/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Request to arrange meeting between EPA & water purveyors to discuss EPA plans for Baldwin Park operable unit (unsigned) | 11792 |
9/23/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Topics to be discussed at meeting with water producers that may be affected by EPA's upcoming proposal for large groundwater extraction & treatment project in Azusa/Irwindale/Baldwin Park area | 11846 |
9/24/92 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft Baldwin Park OU FS rpt | 1816 |
9/24/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of & request for comments on interagency draft copy of Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11847 |
9/24/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Transmittal of & request for comments on interagency draft copy of Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11848 |
9/24/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Hank Yacoub
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Transmittal of & request for comments on interagency draft copy of Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11849 |
9/24/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Tim Hampton
Metropolitan Water District of Southern California | Ltr: Transmittal of & request for comments on interagency draft copy of Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11850 |
9/24/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | James Goodrich
Main San Gabriel Basin Water Quality Authority | Ltr: Transmittal of & request for comments on interagency draft copy of Baldwin Park OUFS (unsigned), w/o attch | 11851 |
9/25/92 | Richard Buell
CA Energy Commission | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmittal of in-state criteria pollutant emission reduction values & modeling assumptions, testimony of R Buell, et al, for 12/5/91 ER-92 hearings, w/attchs | 1456 |
9/25/92 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Torres says EPA chief out of touch with Valley | 11857 |
9/30/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | Handout describing EPA's Baldwin Park project provided at meeting of water purveyor representatives - attendees included R Stone, G Black, etc | 11863 |
10/1/92 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 1493 |
10/1/92 | Clinical Laboratory of San Bernardino, Inc | - | Laboratory analytical results for water purveyor Title 22 sampling (provided by Main San Gabriel Basin Watermaster) - packets SG369-372 | 1521 |
10/1/92 | Ian Jensen
I C F Technology, Inc | - | Data validation rpts & laboratory results for EPA monitor wells 1-MP, 2-2, 2-3, 2-4, 2-5, 5-1, 6-1, 6-2, w/sample number cross reference lists, 10/92 | 5858 |
10/1/92 | C H 2 M Hill | - | Table: Sampling results for VOCs at EPA monitoring well 5-1 (spring 1992, summer 1992 & fall 1992) | 6248 |
10/1/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerald Black
San Gabriel Valley Water Co | Ltr: Transmittal of & request for comments on EPA's draft Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11854 |
10/1/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Reginald Stone
Suburban Water Systems | Ltr: Transmittal of & request for comments on EPA's draft Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11855 |
10/1/92 | Gerald Black
San Gabriel Valley Water Co | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Request for meeting to discuss possibility of San Gabriel Valley Water Co receiving water from EPA's Azusa/Irwindale/Baldwin Park operable unit | 11954 |
10/2/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Ltr: Transmittal of & request for comments on draft Baldwin Park operable unit feasibility study (unsigned), w/o attch | 11853 |
10/6/92 | Reginald Stone
Suburban Water Systems | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Expression of interest in evaluating possibility of receiving treated water from EPA proposed treatment facility & request for project rpts | 11955 |
10/7/92 | Wayne Praskins
Environmental Protection Agency - Region 9 | Don Nichols
Los Angeles County - Dept of Public Works | Ltr: Transmittal of & request for comments on pp 9-1 to 9-12 of draft Baldwin Park OUFS (unsigned), w/o attch | 11852 |
10/14/92 | Geoffrey Nunn
California Domestic Water Co (Whittier) | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Expression of interest to receive water fr central treatment facility & recommendation that EPA work with San Gabriel Valley [sic] Water Quality Authority | 11953 |
10/15/92 | Robert Collar
C H 2 M Hill
David Towell
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Technical memo: San Gabriel area 5 remedial investigation, sampling of existing wells, 2nd round | 1830 |
10/16/92 | Environmental Protection Agency - Region 9 | C H 2 M Hill | Work assignment forms 1-9, 11/6/91-10/16/92, Baldwin Park operable unit | 1445 |
10/21/92 | Tom Kremer
Environmental Protection Agency - Region 9 | Mark Leary
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Response to Mike Sorensen's request for additional time to review draft Baldwin Park operable unit feasibility study & comments on schedule | 11608 |
10/26/92 | David Towell
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Technical memo: San Gabriel area 5 remedial investigation, monitoring well installation & sampling | 1831 |
10/27/92 | James Goodrich
Main San Gabriel Basin Water Quality Authority | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on draft Baldwin Park operable unit feasibility study rpt dated 9/24/92 | 11607 |
11/4/92 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmittal of general comments/suggestions on draft Baldwin Park operable unit feasibility study rpt 9/24/92, w/attch | 1818 |
11/4/92 | James Goodrich
Main San Gabriel Basin Water Quality Authority | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmittal of Baldwin Park operable unit feasibility study alternative remediation plan & request for meeting to discuss project time, w/attch | 1819 |
11/6/92 | David Jones
Environmental Protection Agency - Region 9 | Nick Pogoncheff
Harding Lawson Assoc | Ltr: Response to FOIA request #2582-92 in 10/23/92 ltr & transmittal of technical memo, area 5 monitoring well installation & sampling & tables, w/o attchs | 11866 |
11/10/92 | Duane Georgeson
Metropolitan Water District of Southern California | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: General comments on draft Baldwin Park operable unit feasibility study rpt (OUFS) 9/24/92, w/list of specific comments | 1820 |
11/10/92 | David Chamberlin
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: FOIA request for CFEST data, GIS database, piezometric head data for basin, etc | 11962 |
11/13/92 | Stephen Hahn
C H 2 M Hill | Doug Frazer
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park workplan amendment #1, w/attch | 11970 |
11/17/92 | John Maulding
Main San Gabriel Basin Watermaster | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on draft Baldwin Park operable unit feasibility study rpt dated 9/24/92 | 11606 |
11/24/92 | Hank Yacoub
CA Regional Water Quality Control Board - Los Angeles Region | Carol Williams
Main San Gabriel Basin Watermaster | Ltr: Approval of request 11/11/92 for authorization to retest Big Dalton well under general NPDES permit #CAG995000 | 13581 |
12/14/92 | Jonathan Bishop
CA Regional Water Quality Control Board - Los Angeles Region | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on draft Baldwin Park operable unit feasibility study rpt | 12 |
12/17/92 | Steve Tamaya
San Gabriel Valley Tribune | - | Newsclip: Torres plans fresh attack to clean up groundwater | 11859 |
12/22/92 | David Jones
Environmental Protection Agency - Region 9 | Duane Georgeson
Metropolitan Water District of Southern California | Ltr: Expression of decreased enthusiasm for joint project with Metropolitan Water District in groundwater extraction & treatment in Baldwin Park area | 11867 |
12/23/92 | Dames & Moore | - | Rpt of supplementary subsurface investigation - Rubber/Urethanes Inc, 968 W Foothill Blvd, Azusa | 450 |
12/23/92 | Robert Collar
C H 2 M Hill | Roseanne Sakamoto
Environmental Protection Agency - Region 9 | Memo: Quarterly sampling of monitoring wells in San Gabriel RI area 5 & Whittier Narrows, w/attchs | 11865 |
1/1/93 | E N S R Consulting & Engineering | Valspar Corp, The | Groundwater monitoring rpt - Valspar Azusa facility, 1004 W 10th St, Azusa [File #108.1034] | 1494 |
1/11/93 | Meredith/Boli & Assoc, Inc | Chemical Waste Management, Inc | RCRA facility investigation (phase 3), groundwater investigation, 2v - Oil & Solvent Process Co, Azusa | 1555 |
1/13/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | David Chamberlin
Camp Dresser & McKee, Inc | Ltr: Transmittal of EPA technical memo describing refinements to San Gabriel Basin numerical groundwater flow model, w/o attch | 12887 |
1/18/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Tim Hampton
Metropolitan Water District of Southern California | Ltr: Transmittal of EPA technical memo describing refinements to San Gabriel Basin numerical groundwater flow model, w/o attch | 11952 |
1/18/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of EPA technical memo describing refinements to San Gabriel Basin numerical groundwater flow model, w/o attch | 11956 |
1/18/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Ltr: Transmittal of EPA technical memo describing refinements to San Gabriel Basin numerical groundwater flow model, w/o attch | 11957 |
1/18/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | James Goodrich
Main San Gabriel Basin Water Quality Authority | Ltr: Transmittal of EPA technical memo describing refinements to San Gabriel Basin numerical groundwater flow model, w/o attch | 11958 |
1/28/93 | Greg Woodside
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Technical memo: San Gabriel Basin groundwater modeling | 1814 |
1/29/93 | Applied Consultants | Don White
R P M Merit | Vapor monitoring well field results, 3rd episode - RPM-Merit facility, 145 S Irwindale Ave, Azusa | 466 |
1/29/93 | Law/Crandall, Inc | Azusa Land Reclamation Co, Inc | 1992 annual rpt, groundwater monitoring & waste disposal - Azusa Land Reclamation Landfill, Azusa, w/rtg note fr R Nelson, Regional Board | 1551 |
2/10/93 | Anthony Zampiello
City of Glendora - Water Dept | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: General water requirements, system elevations & cost of water, w/water system schematic, City of Glendora | 13718 |
2/11/93 | Robert Pedigo
Los Angeles County - Dept of Public Works
T Tidemanson
Los Angeles County - Dept of Public Works | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on (draft) Baldwin Park OUFS rpt | 21375 |
2/18/93 | Los Angeles County - Dept of Public Works | - | Tables: Volumes of water recharged in San Gabriel basin spreading grounds & river channels | 1570 |
2/18/93 | Carl Bononkay
Metropolitan Water District of Southern California | John Wise
Environmental Protection Agency - Region 9 | Ltr: Response to issues in D Jones' ltr dated 12/22/92 & update on Metropolitan Water District's progress re timetable discussed at 11/24/92 mtg, w/attchs | 1588 |
2/23/93 | William Bater, IV
Applied Consultants
Bernard Luther
Applied Consultants
David Worthington
Applied Consultants | Don White
R P M Merit | Ltr: Transmittal of vapor monitoring well field results, 3rd episode - Noram Corp, 204 S Motor Ave, Azusa, w/attch [File #108.0943] | 462 |
2/25/93 | Philip Chandler
CA Regional Water Quality Control Board - Los Angeles Region | William Maya
Birtcher Medical Systems
Raymond Bond
E G & G Birtcher Industrial Products
Ernest Jarvis, resident
City of Whittier
Hyrum Jarvis, resident
City of Whittier | Ltr: Approval of extension request for submittal of addendum ltr to 10/2/92 workplan - property at 4501 & 4505 Arden Dr, El Monte [File #103.0116, 103.0647] | 11922 |
3/1/93 | Main San Gabriel Basin Water Quality Authority | - | San Gabriel Basin interagency meetings, agendas & minutes, 11/91-3/93 | 1437 |
3/4/93 | CA Environmental Protection Agency | - | Agenda of meeting on San Gabriel Basin cleanup between US EPA, CA EPA & industry coalition, w/sign-up sheet | 11963 |
3/5/93 | Barbara Gordon
I C F Technology, Inc | - | Data validation rpt: Case/SAS #LV3S19, memo #1, SAS volatiles analysis, 20 groundwater samples, #SY4692-SY4711, w/cross reference list, MW5-1, 1/93 | 1571 |
3/7/93 | Steven Tamaya
San Gabriel Valley Tribune | - | Newsclip: Torres, EPA suddenly become allies in Valley cleanup - agency expected to endorse bill for joint project | 11858 |
3/11/93 | Frank LoGuidice
San Gabriel Valley Water Co | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: 7 scenarios in response to inquiry re possibility of San Gabriel Valley Water Co receiving water produced & treated at proposed Baldwin Park OU | 11868 |
3/12/93 | Mark Klaiman
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Comments to questions re applicable or relevant & appropriate requirements (ARARs) for Baldwin Park operable unit in feasibility study rpt | 11976 |
4/2/93 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Baldwin Park OUFS rpt | 1425 |
4/2/93 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Baldwin Park OUFS rpt, attch A, groundwater quality data | 1426 |
4/14/93 | Greg Woodside
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Estimated lithology & hydraulic conductivity for approximately 700 wells in San Gabriel Basin | 1438 |
4/14/93 | Environmental Protection Agency - Region 9 | - | Agenda for meeting between EPA, Metropolitan Water District & Dept of Toxic Substances Control | 11965 |
4/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Review of Dept of Toxic Substances Control's comments 11/4/92 on draft Baldwin Park operable unit feasibility study, w/o attch | 11971 |
4/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Jonathan Bishop
CA Regional Water Quality Control Board - Los Angeles Region | Ltr: Response to Regional Board's comments on draft Baldwin Park operable unit feasibility study, 12/14/92 | 11972 |
4/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Expression of appreciation for comments on draft Baldwin Park OU feasibility study, 12/17/92 & promise of sending final study & proposed plan | 11973 |
4/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Duane Georgeson
Metropolitan Water District of Southern California | Ltr: Response to Metropolitan Water District's comments dated 11/10/92 on draft Baldwin Park operable unit feasibility study | 11974 |
4/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | James Goodrich
San Gabriel Basin Water Quality Authority | Ltr: Response to San Gabriel Basin Water Quality Authority's comments on draft Baldwin Park OUFS dated 10/27/92 & 11/4/92 | 11975 |
4/16/93 | Environmental Protection Agency - Region 9 | - | Guidance documents for Baldwin Park operable unit administrative record | 1446 |
4/16/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | Documents considered or relied upon but not included in San Gabriel Valley Area 2 superfund site - Baldwin Park operable unit administrative record | 11977 |
4/30/93 | Andrew Bain
Environmental Protection Agency - Region 9 | San Gabriel Valley Tribune, Inc | Advertising order for announcement of public comment period on Baldwin Park proposed plan, w/advertisement 5/7/93 & declaration (concurrence copy) | 189 |
5/1/93 | Environmental Protection Agency - Region 9 | - | Fact sheet: Proposed plan - EPA proposes major groundwater extraction, treatment & distribution project in Baldwin Park area | 1423 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Don Nichols
Los Angeles County - Dept of Public Works | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14041 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Bill Bennington
City of Covina - Water Systems Div | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14042 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Harry Thomas
City of West Covina - Office of City Engineer | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14043 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Robert Bowcock
City of Azusa - Water Dept | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14044 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Ed Heck
Azusa Valley Water Co | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14045 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Anthony Zampiello
City of Glendora - Water Dept | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14046 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Reginald Stone
Suburban Water Systems | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14047 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | David De Jesus
Covina Irrigating Co | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14048 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Gerald Black
San Gabriel Valley Water Co | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14049 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Bob Stallings
San Gabriel Valley Municipal Water District | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14050 |
5/7/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Ltr: Transmittal of & request for comments on EPA proposed plan for Baldwin Park OU sent to 11 water purveyors & water agencies, w/o attch | 14051 |
5/8/93 | Gary Hopkins
San Gabriel Valley Tribune | - | Newsclip: EPA sets local water cleanup (& announcement of community meeting 5/20/93) | 14026 |
5/8/93 | Los Angeles Times | - | Newsclip: San Gabriel Valley - EPA proposed $47-million plan to treat polluted water | 14027 |
5/10/93 | John Glass, resident
City of Glendale | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Expression of concern re responsibility for owner & others of industrial building in overall area of Baldwin Park proposed plan (handwritten) | 14206 |
5/13/93 | Berkley Hudson
Los Angeles Times | - | Newsclip: Water officials hopeful about cleanup plan - $47 million EPA proposal announced Friday would build treatment plants in basin | 14028 |
5/14/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | List of additional parties sent copies of Baldwin Park operable unit proposed plan 5/14/93 | 14052 |
5/18/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Cleanup projects on tap - public can comment on water treatment | 14029 |
5/20/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | - | Overheads used in EPA presentation at Baldwin Park OU proposed plan public meeting | 190 |
5/20/93 | Environmental Protection Agency - Region 9 | - | Transcript of proceedings, community meeting in matter of proposed plan for cleanup of groundwater contamination in Baldwin Park area Superfund proj | 453 |
5/20/93 | San Gabriel Basin Industry Coalition | - | Newsletter - coalition to help form Baldwin Park PRP group | 14217 |
5/21/93 | - | - | Article: $47 million San Gabriel aquifer fix named (Superfund Week (5/21/93), v7, #20) | 14030 |
5/23/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Water cleanup plan gets mixed blessing - group (East Valleys Organization) likes much of $47 million project | 14031 |
5/24/93 | William Peters
Trail Chemical Corp | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Expression of appreciation that W Praskins attended 5/20/93 Baldwin Park community meeting & comments on Baldwin Park proposed plan | 14207 |
5/25/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Bruce Guter
City of West Covina - Public Library | Ltr: Transmittal of & request to make available to public paper copies of 3 Baldwin Park docs included on admin record microfilm, w/o attchs | 14208 |
5/26/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Businesses seek delay to cleanup - (San Gabriel Basin Industry) Coalition questions groundwater problem | 14032 |
5/27/93 | Los Angeles Times | - | Newsclip: Firms wary of cleanup cost | 14033 |
5/27/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Suspected water polluters prepare to challenge EPA | 14034 |
5/27/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Businesses hold private meeting to discuss toxic cleanup plans | 14035 |
5/31/93 | Engineering News-Record | - | Article: EPA to pump & treat San Gabriel aquifer (Engineering News-Record, 5/31/93, p 14) | 14036 |
6/1/93 | John Maulding
Main San Gabriel Basin Watermaster | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on Baldwin Park proposed plan 5/93 | 14209 |
6/4/93 | Muriel O'Brien
Three Valleys Municipal Water District | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on Baldwin Park operable unit feasibility study (OUFS) rpt 4/2/93 | 14210 |
6/9/93 | Will Lee
San Gabriel Valley Economic Council | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan for Azusa/Irwindale/Baldwin Park area & suggestions for EPA to consider before cleanup projects commence | 14211 |
6/12/93 | San Gabriel Valley Tribune | - | Newsclip: Public notice - EPA announces extension of public comment period on San Gabriel Valley Superfund site, Baldwin Park area proposed plan | 14053 |
6/16/93 | Inside EPA's Superfund Report | - | Article: EPA proposes $47 million pump & treat system in San Gabriel basin (Superfund Rpt, 6/16/93, p 12) | 14037 |
6/20/93 | Maxine Leichter
Sierra Club - Angeles Chapter | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan for cleanup of groundwater in Azusa/Irwindale/Baldwin Park area | 14054 |
6/24/93 | Steve Scauzillo
San Gabriel Valley Tribune | - | Newsclip: Millions possible for Valley groundwater treatment | 14038 |
6/25/93 | Inside EPA's California Report | - | Article: News briefs - San Gabriel basin water cleanup (Big Dalton facility) begins (California Rpt, 6/25/93, p 14) | 14039 |
6/25/93 | Mary Johnson
Superfund Working/Information Group | Jeff Rosenbloom
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan for Azusa/Irwindale/Baldwin Park area | 14212 |
6/25/93 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on draft Baldwin Park operable unit proposed plan 3/24/93 | 14218 |
7/1/93 | C H 2 M Hill | - | Table 1, summary of nitrate & detected VOCs in EPA well MW5-1, summer 1993 | 14055 |
7/1/93 | John Korey
East Valleys Organization
Carol Montano
East Valleys Organization | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan for Baldwin Park operable unit 5/93 | 14213 |
7/2/93 | Inside EPA's California Report | - | Article: San Gabriel Valley business coalition opposes costly EPA cleanup (California Rpt, 7/2/93, p 14) | 14040 |
7/6/93 | Robert Collar
C H 2 M Hill | Roseanne Sakamoto
Environmental Protection Agency - Region 9 | Memo: Notification of intent to collect gw samples fr MWs in Whittier Narrows (Site Spill Identification #M4) & Baldwin Park (SSID #M5), w/attch | 14056 |
7/7/93 | Resident
City of West Covina | Wayne Praskins
Environmental Protection Agency - Region 9 | (Redacted, FOIA ex 6) Ltr: Comments on Baldwin Park OU/FS & proposed plan & transmittal of list of water wells with VOC levels above maximum, w/attch | 14214 |
7/9/93 | Robert Collar
C H 2 M Hill | Roseanne Sakamoto
Environmental Protection Agency - Region 9 | Memo: Notification of intent to collect groundwater samples fr monitoring wells MW5-1 in Baldwin Park (Site Spill Identification #M5), w/attch | 14057 |
7/9/93 | Ronald Tressel
Azusa Pipe & Tube Bending Corp | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Notification that cleanup cost may force Azusa Pipe & Tube Bending out of business & that being declared PRP at this time is unfair | 14215 |
7/11/93 | Resident
City of Lakewood | Wayne Praskins
Environmental Protection Agency - Region 9 | (Redacted, FOIA ex 6) Ltr: Comments on Baldwin Park OU/FS | 14216 |
7/11/93 | Resident
City of Hacienda Heights | Wayne Praskins
Environmental Protection Agency - Region 9 | (Redacted, FOIA ex 6) Ltr: Comments on Baldwin Park OUFS, w/env | 14219 |
7/12/93 | Marc Yalom
Chemical Waste Management, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on EPA proposed Baldwin Park operable unit groundwater remedial plan | 14058 |
7/15/93 | San Gabriel Valley Tribune | - | Newsclip: Public notice - EPA announces 2nd extension of public comment period on San Gabriel Valley Superfund site, Baldwin Park area proposed plan | 14059 |
7/16/93 | Richard Greene
Greene Co | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Request for clarification on questions re illegal dumping of toxic drain cleaners, contaminants in groundwater, etc | 14220 |
7/16/93 | Floyd Wicks
Southern California Water Co | Jeff Rosenbloom
Environmental Protection Agency - Region 9 | Ltr: Request for clarification on questions re EPA's proposed building of $47 million centralized water treatment plant in San Gabriel Valley, w/list of private water companies | 14221 |
7/30/93 | Wayne Praskins
Environmental Protection Agency - Region 9 | Michael Whitehead
San Gabriel Valley Water Co | Ltr: Comments on San Gabriel Valley Water Co plan to install & operate treatment facility to remove VOCs fr gw extracted fr B6 water supply wells | 14222 |
8/1/93 | Camp Dresser & McKee, Inc | San Gabriel Basin Industry Coalition | Comments on feasibility study rpt & proposed plan, Baldwin Park operable unit | 457 |
8/4/93 | Nicholas Pogoncheff
Aerojet General Corp - Aerojet ElectroSystems Div | - | Videotapes: Aerojet submission of Nicholas Pogoncheff testimony 8/4/93 (VHS, 2v, 1:48:00 & 1:03:00) | 41 |
8/9/93 | David Czamanske | Jeff Rosenbloom
Environmental Protection Agency - Region 9 | Ltr: Transmittal of testimony by D Czamanske at public hearing 8/6/93 conducted by California Assembly Committee on Groundwater Contamination, w/attch | 14060 |
8/10/93 | Suzanne Phinney
Aerojet General Corp | Wayne Praskins
Environmental Protection Agency - Region 9
Mark Klaiman
Environmental Protection Agency - Region 9 | Ltr: Transmittal of documents as Aerojet General comments on Baldwin Park feasibility study & proposed plan, w/o attchs | 244 |
8/10/93 | Hilda Solis
CA Assembly | Jeff Rosenbloom
Environmental Protection Agency - Region 9 | Ltr: Comments on EPA proposed plan for remediation of contaminated groundwater in Baldwin Park, Irwindale & Azusa | 14061 |
8/10/93 | Esteban Torres
US House of Representatives | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on Baldwin Park operable unit feasibility study rpt 4/2/93 | 14223 |
8/10/93 | R Brown
Friends of San Gabriel River | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on interim solution at Baldwin Park operable unit & recommendation for adoption of alternative 3 in proposed plan 5/93 | 14224 |
8/11/93 | Gregory McClintock
McClintock, Weston, Benshoof, Rochefort, Rubalcava & MacCuish, L L P | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Azusa Land Reclamation Co comments on feasibility study rpt & proposed plan for Baldwin Park operable unit, w/o attchs | 14062 |
8/11/93 | Duane Georgeson
Metropolitan Water District of Southern California | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on Baldwin Park operable unit proposed plan | 14225 |
8/11/93 | Viji Sadasivan
Advanced Environmental Controls | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed project for groundwater extraction & treatment facilities to remove VOCs in Azusa/Irwindale/Baldwin Park area | 14226 |
8/11/93 | William Robinson
Upper San Gabriel Valley Municipal Water District | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on proposed alternatives at Baldwin Park operable unit & recommendation for adoption of option #3, w/business card of W Robinson | 14227 |
8/12/93 | Steven Miller
Erler & Kalinowski, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Wynn Oil Co comments on feasibility study rpt 4/1/93 [sic] for Baldwin Park operable unit, w/tables 1 & 2 | 193 |
8/12/93 | Harding Lawson Assoc
David Keith Todd Consulting Engineers, Inc | - | Review comments, proposed plan 5/93, Baldwin Park OU, w/plates 1-4 | 454 |
8/12/93 | Harding Lawson Assoc
David Keith Todd Consulting Engineers, Inc | - | Review comments, FS rpt 4/2/93, Baldwin Park OU | 455 |
8/12/93 | Harding Lawson Assoc
David Keith Todd Consulting Engineers, Inc | - | Proposal for technical modifications, optimization of EPA Region 9 subarea 1 proposed project, Baldwin Park OU, w/plates | 456 |
8/12/93 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments on Baldwin Park operable unit feasibility study rpt 4/2/93 & proposed plan 5/93, w/specific comments | 14063 |
8/26/93 | Dina David
I C F Technology, Inc | - | Data validation rpt: EPA well MW5-1, case/SAS #LV3S57 memo #1, analysis SAS nitrite-N & nitrate-N, Baldwin Park, w/sample # cross reference list 7/93 | 191 |
9/3/93 | Barbara Gordon
I C F Technology, Inc | - | Data validation rpt: EPA well MW5-1, case/SAS #LV3S57 memo #2, analysis SAS volatiles, 17 groundwater samples, site Baldwin Park, w/tables 1 & 2 | 192 |
9/7/93 | Marc Yalom
Chemical Waste Management, Inc | Jeff Zelikson
Environmental Protection Agency - Region 9
Dennis Dickerson
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Transmittal of preliminary results of soil vapor samples collected at Oil & Solvent Process Co facility, Azusa, 8/3/93-8/4/93, w/attch | 26 |
9/8/93 | Linn Magoffin
Main San Gabriel Basin Watermaster | Jeff Rosenbloom
Environmental Protection Agency - Region 9 | Ltr: Agreement with EPA that smaller plant will contain plume | 14228 |
9/23/93 | Victor Gleason
Metropolitan Water District of Southern California | John Maulding
Main San Gabriel Basin Watermaster | Ltr: Transmittal of updated form of conjunctive use agreement 8/9/93 & request for approval of agreement at Watermaster meeting 10/6/93, w/attchs | 443 |
9/28/93 | Terry Kelly
Rogers & Wells | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmittal of & request for confidentiality on Miller Brewing Co water quality data, w/attch | 14669 |
11/1/93 | Thomas Stetson
Main San Gabriel Basin Watermaster | Main San Gabriel Basin Watermaster | Memo: Staff rpt on San Gabriel Valley Water Co application for water treatment facility, wells B6C & B6D, w/attchs | 194 |
11/5/93 | Timothy Jochem
Upper San Gabriel Valley Municipal Water District | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Confirmation of telephone conversation re proposed San Gabriel Valley Water Reclamation Program | 14064 |
11/15/93 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Baldwin Park OUFS rpt, updated attch A, groundwater quality data | 195 |
11/19/93 | Aerojet General Corp - Aerojet ElectroSystems Div | CA Regional Water Quality Control Board - Los Angeles Region | Initial results of shallow zone soil matrix & vapor monitoring well sampling, v2 of 2, appendices C & D - Azusa/Irwindale Study Area | 325 |
11/19/93 | Aerojet General Corp - Aerojet ElectroSystems Div | CA Regional Water Quality Control Board - Los Angeles Region | Initial results of shallow zone soil matrix & vapor monitoring well sampling, v1 of 2 - Azusa/Irwindale Study Area, w/appendices A-C | 342 |
12/2/93 | Bruce Jernigan
Azusa Land Reclamation Co, Inc
Suzanne Phinney
Aerojet General Corp
Steven Richtel
Oil & Solvent Process Co | Wayne Praskins
Environmental Protection Agency - Region 9
Mark Klaiman
Environmental Protection Agency - Region 9 | Ltr: Comments to supplement comments on Baldwin Park OUFS & proposed plan originally prepared by Harding Lawson 8/12/93, w/o attchs | 14229 |
12/7/93 | Inland Empire Environmental Services | CA Regional Water Quality Control Board - Los Angeles Region | Supplemental A soil gas survey - Davidson Optronics, 2223 Ramona Blvd, W Covina [File #108.1669] | 27 |
2/8/94 | Main San Gabriel Basin Watermaster | Wayne Praskins
Environmental Protection Agency - Region 9 | Technical memo: Comments on groundwater monitoring program (GMP) for Baldwin Park OU described in appendix E of draft FS rpt 4/2/93 prepared by CH2M Hill, w/attchs | 42 |
3/3/94 | Wayne Praskins
Environmental Protection Agency - Region 9 | Mike Sorensen
CA Environmental Protection Agency - Dept of Toxic Substances Control | Ltr: Transmittal of & request for comments on draft record of decision, Baldwin Park operable unit, w/attch | 28 |
3/7/94 | Nancy Marvel
Environmental Protection Agency - Region 9 | Terry Kelly
Rogers & Wells | Ltr: Final determination of Miller Brewing Co business confidentiality claim re response to 104(e) request for info, w/determination & mail receipt #P243-067-363 | 29 |
3/28/94 | Margaret Felts
CA Environmental Protection Agency - Dept of Toxic Substances Control | Keith Takata
Environmental Protection Agency - Region 9 | Ltr: Comments on draft record of decision & responsiveness summary for Baldwin Park operable unit 3/3/94 | 14230 |
3/31/94 | Environmental Protection Agency - Region 9 | - | List of recipients of general notice of liability for Baldwin Park operable unit | 30 |
3/31/94 | Felicia Marcus
Environmental Protection Agency - Region 9 | - | Record of decision (ROD), Baldwin Park OU | 43 |
3/31/94 | Environmental Protection Agency - Region 9 | - | Selected guidance documents for Baldwin Park operable unit administrative record | 14231 |
4/5/94 | Mark Klaiman
Environmental Protection Agency - Region 9 | File | Memo: Final determination of Miller Brewing Co business confidentiality claim, docket #09-94-CBI-01 | 14232 |
6/29/94 | Margaret May
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #R94S05, memo #2, analysis SAS volatiles, 17 water samples, #SYA251-SYA267, Baldwin Park OU, w/TL 8/25/94 fr S Remaley to W Praskins | 16661 |
9/2/94 | Environmental Protection Agency - Region 9 | - | Selected guidance documents for Baldwin Park OU administrative record | 22292 |
11/21/94 | Mike McIntosh
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #ESB-94-01D, memo #1, analysis nitrite-N & nitrate-N, 5 water samples, #SYC869-SYC871, SYC875 & SYC876, Baldwin Park OU, w/TL 11/21/94 fr M Weiner to W Praskins | 16651 |
11/21/94 | Fernando Contreras
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #ESB-94-01D, memo #2, analysis nitrite-N & nitrate-N, 12 water samples, #SYC872-SYC874 & SYC877-SYC885, Baldwin Park OU, w/TL 11/21/94 fr M Weiner to W Praskins | 16654 |
12/15/94 | Raimi Quiton
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #R94S32, memo #1, analysis SAS volatiles, 17 water samples, #SYC852-SYC868, Baldwin Park OU, w/TL 12/21/94 fr K Hendrix to W Praskins | 16658 |
3/1/95 | Environmental Protection Agency - Region 9 | - | Fact sheet: In major step toward cleanup, EPA identifies sources of groundwater contamination - EPA clears more than 1,500 companies (#16) | 19855 |
4/28/95 | Mitzi Dooley
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #R95S34, memo #1, analysis nitrite-N & nitrate-N, 17 water samples, #SYF208-SYF224, Baldwin Park OU, w/TL 5/2/95 fr K Hendrix to W Praskins | 16694 |
6/13/95 | Camp Dresser & McKee, Inc | San Gabriel Basin Water Quality Authority | Sampling & analysis plan (SAP), Baldwin Park OU pre-RD groundwater monitoring program, w/ltr 6/16/95 fr S Rowe to W Praskins | 19359 |
6/13/95 | Camp Dresser & McKee, Inc | San Gabriel Basin Water Quality Authority | Sampling & analysis plan (SAP), Baldwin Park OU pre-RD groundwater monitoring program - well location map & preliminary schedule for Baldwin Park OU activities, updated 5/16/95 (attchs only) | 19360 |
6/28/95 | Karen Pettit
I C F Kaiser Engineers, Inc | - | Data validation rpt: Case #R95S34, memo #2, analysis volatiles, 17 water samples, #SYF208-SYF224, w/TL 7/7/95 fr K Hendrix to W Praskins | 19811 |
8/2/95 | Barbara Wells
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Notification that subcontractor Thermo Analytical has been selected to perform chemical analyses of samples collected for Baldwin Park OU pre-RD groundwater monitoring program (faxed 8/2/95) | 33047 |
11/27/95 | Wayne Praskins
Environmental Protection Agency - Region 9 | Donald Vanderkar
Aerojet General Corp
Baldwin Park OU Steering Committee | Ltr: Request for 2 changes in installation & sampling procedures of Westbay multiport monitoring system | 24931 |
3/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring wells MW5-03 & MW5-05 well completion rpt, w/TL 3/7/96 fr CDM to W Praskins | 26767 |
3/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring wells MW5-03 & MW5-05 well completion rpt - Beylik Drilling well MW5-3 & MW5-5 caliper logs (attchs only) | 26782 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, w/data review, CLP-like data package (laboratory ID L2609 & L2980) & marginalia | 25462 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-03, date sampled 8/4/95, laboratory project L2326 (attch only) | 25463 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-03, date sampled 9/25/95-9/26/95, laboratory project L2537 (attch only) | 25464 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-03, date sampled 9/26/95-9/27/95, laboratory project L2540 (attch only) | 25465 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-05, date sampled 8/16/95, laboratory project L2363 (attch only) | 25466 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-05, date sampled 10/12/95-10/13/95, laboratory project L2609 (attch only) | 25467 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-05 date sampled 10/30/95 & well MW5-17 date sampled 10/30/95, laboratory project L2679 (attch only) | 25468 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-11, date sampled 10/10/95, laboratory project L2603 (attch only) | 25469 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-11, date sampled 11/13/95, laboratory project L2734 (attch only) | 25470 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-17, date sampled 11/30/95, laboratory project L2796 (attch only) | 25471 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-13, date sampled 1/18/96, laboratory project L2980 (attch only) | 25472 |
3/5/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - analytical data tables showing sample_ID, lab_#, param_ID, etc (attch only) | 25473 |
3/25/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, submittal of deliverables, w/CLP-like data package for groundwater samples collected 2/15/96 fr well MW5-13 (laboratory ID L3097) | 26780 |
5/8/96 | David Taylor
Environmental Protection Agency - Region 9 | Wayne Praskins
Environmental Protection Agency - Region 9 | Memo: Review of data validation rpts, deliverables specified in SAP, Baldwin Park OU prepared 3/5/96 by CDM | 26783 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples, w/table 1, 1st quarterly groundwater sampling lab # cross reference list | 25475 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9
David Towell
C H 2 M Hill
Donald Vanderkar
Aerojet General Corp
Kelly McTigue
McClintock, Weston, Benshoof, Rochefort, Rubalcava & MacCuish, L L P
Steven Richtel
Waste Management, Inc
Bar | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - memo 6/3/96 fr S Rowe to W Praskins, et al & data tables summarizing lab data according to well # & lab analysis (attchs only) (index record pt 1) | 25476 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well EPA MW5-01, date sampled 3/11/96, laboratory project L3180 (attchs only) | 25478 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well EPA MW5-01, date sampled 3/11/96, laboratory project L3181 (attchs only) | 25480 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well EPA MW5-01, date sampled 3/12/96, laboratory project L3186 (attchs only) | 25481 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well ALRC MW-4 (AZ-2), date sampled 3/12/96, laboratory project L3187 (attchs only) | 25482 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well EPA MW5-01, date sampled 3/13/96, laboratory project L3193 (attchs only) | 25483 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well ALRC MW-3 & MW-9, date sampled 3/13/96, laboratory project L3194 (attchs only) | 25484 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-11 & MW5-13, date sampled 3/14/96, laboratory project L3202 (attchs only) | 25485 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well ALRC MW-1R, date sampled 3/14/96, laboratory project L3203 (attchs only) | 25486 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-17, Norac MW-1, Santa Fe Dam #1, date sampled 3/15/96, laboratory project L3205 (attchs only) | 25487 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-03, date sampled 3/18/96, laboratory project L3212 (attchs only) | 25488 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-03, date sampled 3/19/96, laboratory project L3219 (attchs only) | 25489 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well MW5-05, date sampled 3/20/96, laboratory project L3224 (attchs only) | 25490 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well VCWD Big Dalton, date sampled 3/22/96, laboratory project L3232 (attchs only) | 25491 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well VCWD Morada, date sampled 3/26/96, laboratory project L3247 (attchs only) | 25492 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well Glendora 7G, date sampled 3/27/96, laboratory project L3250 (attchs only) | 25493 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well SGVWC B6C, B6D & B4B, date sampled 4/2/96, laboratory project L3263 (attchs only) | 25494 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well Cal/Mat E Curbin & La Puente Valley WD #02, #03 & #04, date sampled 4/10/96, laboratory project L3284 (attchs only) | 25495 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well VCWD W Maine & Lante, date sampled 4/11/96, laboratory project L3286 (attchs only) | 25496 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well SWS 139W4, etc, date sampled 4/12/96, laboratory project L3292 (attchs only) | 25497 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - well LA County key well (#3030F), date sampled 4/19/96, laboratory project L3315 (attchs only) | 25498 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - analytical data fr GeoSyntec Consultants (attchs only) | 25499 |
6/3/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Peter Taft
Munger, Tolles & Olson, L L P | Ltr: Baldwin Park OU pre-RD groundwater monitoring program, CLP-like data package for groundwater samples - memo 6/3/96 fr S Rowe to W Praskins, et al & data tables summarizing lab data according to well # & lab analysis (attch only) (index record pt 2) | 29962 |
6/17/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/3/96 | 27937 |
6/19/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/3/96 | 27935 |
7/8/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Barbara Wells
Camp Dresser & McKee, Inc | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 3/11/96 | 27933 |
7/9/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Barbara Wells
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling dates 3/19/96-3/22/96 (pp ommitted fr data packages) | 27931 |
7/10/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/13/96 | 28461 |
7/10/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/13/96 | 28462 |
7/10/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/17/96 | 28464 |
7/11/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/18/96 | 28456 |
7/11/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/25/96 | 28458 |
7/11/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/17/96 | 28463 |
7/12/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmits analytical data, data validation rpts, gw elevation data re pre-RD gw monitoring program, w/o attchs | 27843 |
7/12/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/19/96 | 28473 |
7/15/96 | Weck Laboratories, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/96 | 28441 |
7/15/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/21/96 | 28460 |
7/15/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/20/96 | 28467 |
7/16/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/24/96 | 28454 |
7/17/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/26/96 | 28471 |
7/19/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/18/96 | 28455 |
7/19/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/21/96 | 28459 |
7/19/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/20/96 | 28466 |
7/19/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/19/96 | 28472 |
7/23/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/1/96 | 28443 |
7/23/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/27/96 | 28447 |
7/23/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/2/96 | 28449 |
7/23/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/24/96 | 28453 |
7/23/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/25/96 | 28457 |
7/23/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/26/96 | 28470 |
7/25/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/1/96 | 28442 |
7/25/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 6/27/96 | 28446 |
7/25/96 | Don Burley
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/2/96 | 28448 |
7/26/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/10/96 | 28469 |
7/28/96 | GeoSyntec Consultants, Inc | Barbara Wells
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, Azusa landfill, pre-RD gw monitoring program, 2nd quarter 1996 | 28438 |
7/31/96 | Thermo Process Systems, Inc - Thermo Analytical Div | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/12/96 | 28445 |
8/9/96 | John Dudek
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/12/96 | 28444 |
8/9/96 | John Dudek
Thermo Process Systems, Inc - Thermo Analytical Div | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/10/96 | 28468 |
8/13/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 8/13/96 | 28452 |
8/14/96 | Wayne Praskins
Environmental Protection Agency - Region 9 | Donald Vanderkar
Aerojet General Corp
Baldwin Park OU Steering Committee | Ltr: Review of ltr 8/8/96 fr S Rowe requesting variance to Baldwin Park OU SAP & approval of Rowe's request for changes in analytical laboratory & method used to analyze groundwater samples for VOCs (fr EPA method 8021 to EPA method 8260) | 26678 |
8/26/96 | Fahim Rahimi
Stetson Engineers, Inc | Barbara Wells
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 7/96 | 28440 |
9/3/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 8/13/96 | 28451 |
9/12/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/12/96 | 28430 |
9/16/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling dates 9/16/96-9/17/96 | 28432 |
9/18/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/18/96 | 28434 |
9/19/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/19/96 | 28436 |
9/20/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/20/96 | 28196 |
9/23/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/23/96 | 28199 |
9/24/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/24/96 | 28204 |
9/25/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/25/96 | 28209 |
9/26/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/26/96 | 28211 |
9/27/96 | Quantum Chemical Corp | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/27/96 | 28213 |
9/30/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-11 well completion rpt, w/TL 9/30/96 fr CDM to W Praskins | 27497 |
9/30/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-11 well completion rpt - geophysical logs & Beylik drilling log (attchs only) | 27555 |
10/1/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/1/96 | 28215 |
10/7/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/7/96 | 28415 |
10/8/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/8/96 | 28418 |
10/9/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/9/96 | 28424 |
10/11/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/11/96 | 28426 |
10/17/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/20/96 | 28194 |
10/17/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/25/96 | 28207 |
10/17/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/27/96 | 28212 |
10/17/96 | Quanterra, Inc | - | Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/17/96 | 28428 |
10/17/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling dates 9/16/96-9/17/96 | 28431 |
10/17/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/18/96 | 28433 |
10/18/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/19/96 | 28435 |
10/21/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/1/96 | 28214 |
10/23/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-17 well completion rpt, w/TL 10/24/96 fr CDM to W Praskins | 27500 |
10/23/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-13 well completion rpt, w/TL 10/24/96 fr CDM to W Praskins | 27501 |
10/23/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-17 well completion rpt - geophysical logs & Beylik drilling log (attchs only) | 27558 |
10/23/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-13 well completion rpt - geophysical logs & Beylik drilling log (attchs only) | 27559 |
10/25/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/24/96 | 28201 |
10/26/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/23/96 | 28198 |
10/26/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/7/96 | 28410 |
10/26/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/8/96 | 28417 |
10/26/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/9/96 | 28423 |
10/26/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/12/96 | 28429 |
11/6/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmits analytical data, data validation rpts, gw elevation data re pre-RD gw monitoring program, w/o attchs | 28437 |
11/6/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmits analytical data, data validation rpts, gw elevation data re pre-RD gw monitoring program, w/o attchs | 28450 |
11/6/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmits analytical data, data validation rpts, gw elevation data re pre-RD gw monitoring program, w/o attchs | 28465 |
11/7/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-18 well completion rpt, w/TL 11/7/96 fr CDM to W Praskins | 27498 |
11/7/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-15 well completion rpt, w/TL 11/7/96 fr CDM to W Praskins | 27499 |
11/7/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-18 well completion rpt - geophysical logs & Beylik drilling log (attchs only) | 27556 |
11/7/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-15 well completion rpt - geophysical logs & Beylik drilling log (attchs only) | 27557 |
11/7/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 9/26/96 | 28210 |
11/7/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/11/96 | 28425 |
11/19/96 | Quanterra, Inc | Suzanne Rowe
Camp Dresser & McKee, Inc | TL: Analytical data for Baldwin Park project, pre-RD gw monitoring program, sampling date 10/17/96 | 28427 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-08 well completion rpt, w/TL 12/31/96 fr CDM to W Praskins | 29632 |
12/1/96 | Camp Dresser & McKee, Inc | Baldwin Park OU Steering Committee | Draft pre-RD rpt, Baldwin Park OU pre-RD groundwater monitoring program, w/TL 12/12/96 fr CDM to W Praskins | 29633 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, draft pre-RD rpt, appendices C, D & E | 29634 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-08 well completion rpt - figure 2-3 & Beylik drilling log (attchs only) | 29671 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, draft pre-RD rpt - plates 1-3 (attchs only) | 29672 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, draft pre-RD rpt, appendices A & B | 30890 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, draft pre-RD rpt, appendix B continued | 30891 |
12/1/96 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, draft pre-RD rpt, appendices A & B - wells MW5-08, MW5-11, etc, geophysical logs & well completion details (attchs only) | 30906 |
12/16/96 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Transmits analytical data, data validation rpts, gw elevation data re pre-RD gw monitoring program, w/o attchs | 27939 |
6/30/97 | John Kemmerer
Environmental Protection Agency - Region 9 | Donald Vanderkar
Aerojet General Corp
Baldwin Park OU Steering Committee | Ltr: Response to extension request in ltr 6/19/97 fr D Gianotti & expression of concern re discovery of perchlorate in Baldwin Park OU | 32749 |
8/28/97 | John Kemmerer
Environmental Protection Agency - Region 9 | Baldwin Park OU Steering Committee
Donald Vanderkar
Aerojet General Corp | Ltr: Approval of 2nd extension in deadline for submittal of good faith offer until 2/15/98, Baldwin Park OU | 41550 |
9/29/97 | Harding Lawson Assoc | Baldwin Park OU Steering Committee | Draft technology screening for treatability of perchlorate in groundwater, Baldwin Park OU, w/TL to W Praskins fr J Catts | 41590 |
10/1/97 | Harding Lawson Assoc | Baldwin Park OU Steering Committee | Final addendum to sampling & analysis plan (SAP), Baldwin Park OU pre-RD groundwater monitoring program, w/TL to W Praskins | 41588 |
2/3/98 | John Kemmerer
Environmental Protection Agency - Region 9 | Donald Vanderkar
Aerojet General Corp
Baldwin Park OU Steering Committee | Ltr: Notification of interim extension in deadline for submittal of good faith offer until 3/15/98, Baldwin Park OU | 41036 |
3/11/98 | Lina Boulos
Montgomery Watson, Inc
Issam Najm
Montgomery Watson, Inc | Michael McGuire
McGuire Environmental Consultants, Inc | Technical memo: Experimental plan for bench-scale testing to evaluate removal of perchlorate fr contaminated San Gabriel Basin groundwater using conventional ion-exchange (IX) processes, w/marginalia | 47518 |
3/13/98 | John Kemmerer
Environmental Protection Agency - Region 9 | Baldwin Park OU Steering Committee
Donald Vanderkar
Aerojet General Corp | Ltr: Notification of additional interim extension in deadline for submittal of good faith offer until 4/30/98, Baldwin Park OU | 41037 |
4/13/98 | Donald Vanderkar
Aerojet General Corp | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Results of sampling of monitoring wells for NDMA at Aerojet's Azusa facility | 41040 |
4/15/98 | Wayne Praskins
Environmental Protection Agency - Region 9 | Baldwin Park OU Steering Committee
Donald Vanderkar
Aerojet General Corp | Ltr: Acknowledgment of receipt of ltr 4/13/98 fr D Vanderkar confirming detection of NDMA in Aerojet well MW2 & request for immediate submittal of plan to collect & analyze groundwater samples collected fr water supply wells in Baldwin Park OU for NDMA | 41042 |
4/24/98 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-23 well completion rpt | 41026 |
4/24/98 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-20 well completion rpt | 41027 |
4/24/98 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-23 well completion rpt - Beylik drilling log (attch only) | 41576 |
4/24/98 | Camp Dresser & McKee, Inc | Environmental Protection Agency - Region 9 | Baldwin Park OU pre-RD groundwater monitoring program, monitoring well MW5-20 well completion rpt - Beylik drilling log (attch only) | 41581 |
4/28/98 | Harding Lawson Assoc
Dudek & Assoc, Inc | Baldwin Park OU Steering Committee | Draft phase 2A well installation & groundwater sampling rpt, Baldwin Park OU pre-RD groundwater monitoring program, w/TL 4/29/98 to W Praskins | 47508 |
5/27/98 | Peter Quinlan
Dudek & Assoc, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Results of laboratory analyses for nitrosodimethylamine (NDMA) conducted on groundwater samples collected on 5/7/98 fr 7 active production wells & notif that Baldwin Park OU Steering Committee intends to resample wells B5A, 140W-4 & Lante, w/attchs | 40950 |
7/1/98 | Suzanne Rowe
Camp Dresser & McKee, Inc | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Notif that CDM's contractor, Quanterra Environmental Services, will no longer provide analytical services in support of Baldwin Park OU groundwater monitoring activities & request that Del Mar Analytical be approved to perform analytical testing | 48509 |
7/9/98 | CA Dept of Health Services | - | Article: NDMA in California drinking water (last update 7/9/98, downloaded fr CA Dept of Health Services website) | 48512 |
7/17/98 | John Kemmerer
Environmental Protection Agency - Region 9 | Baldwin Park OU Steering Committee
Donald Vanderkar
Aerojet General Corp | Ltr: Final extension in deadline for submittal of good faith offer until 7/2/99, Baldwin Park OU | 40925 |
10/30/98 | Calgon Carbon Corp | Main San Gabriel Basin Watermaster | Big Dalton perchlorate removal pilot study, final rpt | 46562 |
1/14/99 | Harding Lawson Assoc
Dudek & Assoc, Inc | Baldwin Park OU Steering Committee | Draft addendum to pre-RD rpt dated 9/4/97, Baldwin Park OU pre-RD groundwater monitoring program, w/TL 1/21/99 to W Praskins | 47352 |
1/14/99 | John Catts
Harding Lawson Assoc | Donald Vanderkar
Baldwin Park OU Steering Committee | Technical memo: Phase 2 treatability study progress rpt, La Puente Valley County Water District site, Baldwin Park OU, w/attchs | 47572 |
2/12/99 | Harding Lawson Assoc | Baldwin Park OU Steering Committee | Final phase 2 treatability study workplan, pilot scale groundwater treatment system, Baldwin Park OU | 48514 |
3/12/99 | CA Dept of Health Services | - | Article: California drinking water standards, action levels & unregulated chemicals requiring monitoring (last update 3/12/99, downloaded fr CA Dept of Health Services website) | 48513 |
3/26/99 | Sanwat Chaudhuri
UT Dept of Health
Howard Okamoto
CA Dept of Health Services
Steven Pia
Environmental Protection Agency - Environmental Research Laboratories | - | Inter-agency perchlorate steering committee, analytical subcommittee rpt | 53518 |
4/6/99 | Montgomery Watson, Inc | Main San Gabriel Basin Watermaster | Application of ion-exchange technology for perchlorate removal fr San Gabriel Basin groundwater, final project rpt | 47522 |
4/12/99 | Harding Lawson Assoc | Baldwin Park OU Steering Committee | Final phase 1 treatability study rpt, perchlorate in groundwater, Baldwin Park OU | 47502 |
4/12/99 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Draft Baldwin Park OU RA cost estimate summary (faxed 4/12/99, pp 16-19 only) | 53696 |
4/13/99 | US House of Representatives | - | Article: San Gabriel Basin water quality initiative (HR 910 introduced in House)(downloaded fr Library of Congress website) | 48510 |
4/23/99 | CA Dept of Health Services | - | Article: Standards for perchlorate in drinking water (last update 4/23/99, downloaded fr CA Dept of Health Services website) | 48511 |
5/1/99 | Environmental Protection Agency - Region 9 | - | Fact sheet: EPA updates cleanup plan for Azusa/Irwindale/Baldwin Park area, including explanation of significant differences (ESD) | 48544 |
5/12/99 | Jacalyn Spiszman
CA Environmental Protection Agency - Dept of Toxic Substances Control | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: CA Dept of Toxic Substances Control's comments on draft explanation of significant differences (ESD) re amendment to Baldwin Park ROD submitted to DTSC on 4/23/99 | 48233 |
5/27/99 | David Towell
C H 2 M Hill | Wayne Praskins
Environmental Protection Agency - Region 9 | Technical memo: Baldwin Park OU remedy - revised cost estimates w/attached influent estimates | 48516 |
6/3/99 | US Postal Service | - | Postal Service statement of mailing for Baldwin Park OU explanation of significant differences (ESD), w/pp 1 & 12 of fact sheet 5/99 | 53484 |
6/11/99 | San Gabriel Valley Tribune | - | Newsclip: Explanation of significant differences (ESD) public notice - EPA announces proposed changes to cleanup plan for San Gabriel Valley Superfund site (area 2), Baldwin Park OU | 50193 |
6/14/99 | Michael Berlien
La Puente Valley County Water District | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: La Puente Valley County Water District's comments on proposed changes to cleanup plan for Baldwin Park OU | 53490 |
7/2/99 | Norman Dupont
Shapiro, Mitchell & Dupont, LLP | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Comments of Reichhold Chemicals Inc, OSCO, et al, on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in fact sheet 5/99 | 53487 |
7/2/99 | Joel Moskowitz
Moskowitz, Brestoff, Winston & Blinderman, LLP | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Expression of Hartwell Corp's concurrence on comments by N Dupont dated 7/2/99 on behalf of Reichhold Chemicals Inc, OSCO, et al, on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in fact sheet 5/99 (faxed) | 53493 |
7/9/99 | Norman Dupont
Shapiro, Mitchell & Dupont, LLP | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Follow-up to ltr 7/2/99 fr N Dupont re comments of Reichhold Chemicals Inc, OSCO, et al, on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in fact sheet 5/99, w/list of participants | 53489 |
9/29/99 | Norman Dupont
Shapiro, Mitchell & Dupont, LLP | Wayne Praskins
Environmental Protection Agency - Region 9 | Ltr: Follow-up to ltr 7/2/99 fr N Dupont re comments of Reichhold Chemicals Inc, OSCO, et al, on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in fact sheet 5/99 | 53503 |
10/1/99 | Environmental Protection Agency - National Exposure Research Laboratory | - | Method 309.0, determination of perchlorate in drinking water using ion chromatography (revision 1.0, draft) | 53516 |
11/5/99 | Wayne Praskins
Environmental Protection Agency - Region 9 | Michael Berlien
La Puente Valley County Water District | Ltr: Expression of appreciation for La Puente Valley County Water District's comments 6/14/99 on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in 5/99 & support for efforts to install treatment facilities to remove perchlorate | 53471 |
11/5/99 | Wayne Praskins
Environmental Protection Agency - Region 9
Lewis Maldonado
Environmental Protection Agency - Region 9 | Norman Dupont
Shapiro, Mitchell & Dupont, LLP | Ltr: Response to comments in ltrs 7/2/99, 7/9/99 & 9/29/99 fr N Dupont on Baldwin Park OU explanation of significant differences (ESD) issued by EPA in 5/99, w/attch | 53477 |