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1. ATSDR > Public Health Assessments & Consultations

PUBLIC HEALTH ASSESSMENT

LENZ OIL SERVICE, INC.
LEMONT, DUPAGE COUNTY, ILLINOIS

APPENDICES

APPENDIX A - Tables 1-15

Table 1: Waste Materials Accepted by Lenz Oil
Table 2: Organic Groundwater Contaminants
Table 3: Inorganic Groundwater Contaminants
Table 4: Volatile Organic Soil Contaminants
Table 5: Semivolatile Organic and PCB Soil Contaminants
Table 6: Inorganic On-Site Soil Contaminants
Table 7: Inorganic Surface Water Contaminants
Table 8: Organic Contaminants of Concern
Table 9: Inorganic Contaminants of Concern
Table 10: Soil Gas Investigation
Table 11: Off-Site Air Monitoring
Table 12: USEPA TRI Data
Table 13: On-Site Soil Contaminants Before and After Incineration
Table 14: Completed Exposure Pathways
Table 15: Potential Exposure Pathways

Table 1

WASTE AND NONWASTE STORAGE SUMMARY
LENZ OIL SERVICE INC.

ppm = parts per million
* = values are for pica child/child.
ND = not detected
J = estimated value
- = not applicable
NT = not tested or sample was unusable

Table 6. LENZ OIL INORGANIC ON-SITE SOIL CONTAMINANTS (in ppm).
Detected Contaminant	Figure 4-5A Phase I Shallow Bores Table 4-16	Figure 4-5B Phase I Shallow Bores Table 4-16	Figure 4-5C Phase I Deep Bores Table 4-18	Figure 4-5D Phase II Shallow Bores Table 4-19	Figure 4-5E Phase II Deep Bores Table 4-19	Figure 4-6A Surface Soils Samples Table 4-20	Figure 4-6B North Ditch Sediments Table 4-27	Comparison Values for Children	Source
	n= 17 range	n=10 range	n=13 range	n=21 range	n=16 range	n=12 range	n=6 range
Aluminum	9710J-20400	9490J-50,000J	1230-23,400J	3,610-21,200	951-16,800	2180-18,800	6540-36,100	NONE
Antimony	5N 12R	17.3J one N 8R	63.5J 4N 8R	21-Ns	16N	8.5-44.5	1.8-11.3 4-Ns	20	RMEG
Arsenic	3.2J-12.1J	1.1J-19.0J	9.7J-87.4J	2.6-14.4J	4.2-13.2J	4.7J-79.6	4.7J-18.4J	0.5	CREG
Barium	57.4J-1280	59.1J-3060J	6.6J-412	46.3J-882.0J	70.1-493J	14.2-512.0	73.3-136	4,000	RMEG
Cadmium	1.0J-2.6J	1.4J-2.0J	0.97J-1.3J	1.7-1.9	3.8 15-Ns	12R	6R	40	CEMEG
Chromium (total)	31.8J-96.9J	31.3J-65.2J	6.1J-54.9J	7.9-40.5J	4.1-98.1J	1.3-158	33.8-60.8	300	RMEG
Cobalt	11.9-22.8	5.1-21.6	6.8-28.4	21R	14.6 15R	10.4-31.2	12.2-32.2	NONE	-
Copper	18.9-670J	7.0J-234J	3.0J-167J	12.0-268.0J	8J-120J	54.5J-546J	69.1-154J	NONE	-
Iron	16300J-38400J	17,800-57,200	11,900-53,000	8,750-27,600	6,650J-113,000J	4,230J-33,400J	13400J-30100J	NONE	-
Lead	87.3J-909J	102J-685J	4.0-561J	13.1-714.0	8.2J-498	75.5J-620J	65.6J-320J	NONE	-
Manganese	266-1590J	352-683J	270-691J	233J-1,110J	117J-445J	123J-1,130J	612J-816J	7,000	RMEG
Mercury	0.09-0.5J	0.13	0.08J-0.25J	0.12-0.79	0.11-0.38	0.11-0.42	0.2-0.26J	NONE	-
Nickel	9.5J-47.5	26.2-28.7J	17.5-34.5	9.7-34.2	10.1-34.7	4.8-69.3	6.6-32.9	1,000	RMEG
Selenium	0.55J-0.73J	1.8J	0.25J-2.8J	NT	NT	0.61J-1.5J	3.2-5.7J	100	CEMEG
Vanadium	20.0-43.4	21.9-77.7	4.6-94.2	11.2-38.4	11.5-27.8	22.2-35.1	22.3-28.9	200	IEMEG
Zinc	61.9-639	62.2J-491J	12.5J-308	34.9-376	16.5-490J	29.7J-654J	116J-284J	20,000	RMEG
Cyanide	0.33-7.7	0.6-7.7	1.7-12.0	NT	8.3J	0.22J-0.73J	0.46J	1,000	RMEG

ppm = parts per million
J = estimated value
N = nondetected value
R = analyses was rejected
- = not applicable
NT = not tested or sample was not usable

Table 7. LENZ OIL INORGANIC SURFACE WATER (NORTH DRAINAGE DITCH) CONTAMINANTS (in ppb).
Contaminant (Laboratory Detection Limits)	Sample Values			Drinking Water Comparison Values
	Detected Values	# of Nondetects	# of Rejects	Value	Source
Aluminum	2890.0 8610.0 8850.0 24700.0 36100.0	0	1	NONE	-
Antimony (31.0)	0	6	0	4	Child RMEG
Arsenic (8.0)	0	6	0	3	Child CEMEG
Barium	241.0 991.0	0	4	700	Child RMEG
Beryllium (1.0)	0	4	2	4	MCL
Cadmium (1.0)	20.0	5	0	5	Child RMEG
Chromium (2.0)	12.2 14.8 41.0 73.6	1	1	2	CLHA
Cobalt (3.0)	0	1	5	NONE	-
Copper (6.4)	30.9 48.4 79.0 208.0	1	1	1300	MCL*
Lead (2.0)	2.1J 2.2J	4	0	15	MCL*
Manganese	123.0 352.0 407.0 700.0 2160.0 9290.0	0	0	50	Child RMEG
Mercury (0.2)	0	6	0	NONE	-
Nickel	45.1 94.9	0	4	100	MCL
Selenium (3.0)	0	6	0	20	Child CEMEG
Silver (5.0)	0	5	1	50	Child RMEG
Thallium (5.0)	0	6	0	2	MCL
Vanadium (3.0)	67.5	1	4	30	Child IEMEG
Zinc	21.2 93.4 163.0 170.0 432.0 2460.0	0	0	2000	LTHA
Cyanide (10.0)	0	6	0	2	CLHA

ppb = Parts per billion (or micrograms per liter).
CHLA = Child Longer Term Health Advisory for drinking water (EPA).
MCL* = USEPA drinking water "action level" for public water supplies.
J = Estimated value.
- =not applicable

Table 8. LENZ OIL ORGANIC CONTAMINANTS OF CONCERN.

CONTAMINANT

NONAQUEOUS LAYER

MONITORING WELLS

SOIL

SAMPLES FROM NORTH DRAINAGE DITCH

Shallow

Intermediate

Deep

Borings

On-Site

Off-Site

On-Site

Off-Site

Background

On-Site

Off-Site

On-Site

Surface Water

Surface Soil

Sediments

Benzene

X

X

15B

Toluene

X

B

30B

B

Ethylbenzene

XX

25B

B

Xylenes

XX

25B

B

Chloroethane

D

D

D

D

Vinyl chloride

X

X

1,1-Dichloroethane

DDDD

D

D

D

9D

1,2-Dichloroethane*

X

BBB

1,1-Dichloroethene

X

X

X

X

X

Trichloroethene*

B

X

X

15B

B

1,1,1-Trichloroethane*

B

B

B

B

33D

Carbon tetrachloride

X

X

Tetrachloroethene

XX

X

X

21B

B

Naphthalene

XX

XX

18D

2-Methylnaphthalene

DD

DD

27D

D

Anthracene

30B

5B

Benzo(a)anthracene

30D

6D

Chrysene

42D

6D

Benzo(b)fluoranthene

20D

6D

Benzo(k)fluoranthene

22D

6D

Benzo(a)pyrene

25X

6X

Indeno(1,2,3-cd)pyrene

20D

6D

Benzo(g,h,i)perylene

20D

Fluorene

XX

BX

13D

Dibenzofuran

D

14D

Phenanthrene

DD

DDD

56D

6D

Acenaphthene

X

B

17D

2,4-Dinitrotoluene

X

Di-n-Butylphthalate

D

D

D

D

D

5D

Aroclor-1242

XX

XX

Aroclor-1248

3X

Aroclor-1254

10X

Aroclor-1260

XX

XX

KEY: X=ABOVE ENVIRONMENTAL MEDIA GUIDELINE
D=DETECTED BUT NO GUIDELINE ESTABLISHED
B=DETECTED BUT BELOW GUIDELINE
MULTIPLE DETECTIONS DEPICTED BY MULTIPLE LETTERS OR NUMBER PRECEDING LETTER
BLANK=NOT DETECTED
*=DETECTED IN SOIL GAS SURVEY

KEY: X=ABOVE COMPARISON VALUE (ENVIRONMENTAL MEDIA GUIDELINE FOR CHILD)
B=DETECTED BUT BELOW GUIDELINE
D=DETECTED BUT NO GUIDELINE ESTABLISHED
N=NOT DETECTED
R=SAMPLE REJECTED
BLANK = NOT TESTED

Table 10. SUMMARY OF LENZ OIL SOIL GAS INVESTIGATION IN (May 19, 1987).

 

Contaminant	Highest Concentration (ppm*)
1,1-Dichloroethane	444
Methylene chloride	108
Benzene	33
Xylenes	466
Toluene	690
Total hydrocarbons	9308 mg/m3

Table 11. SUMMARY OF LENZ OIL OFF-SITE AIR SAMPLING OF VOCs (1987).

Air Monitoring Location
Sampling Date	Downwind 94th & Madison	Upwind Mt.Assisi	Chicago 160 N.LaSalle	Wind Direc- tion/Speed
7/13-14	1.16 ppm1	1.58 ppm	1.35 ppm	NW 9 mph
7/14-15	1.17	1.05	0.97	W 6 mph
7/15-16	0.78	1.96	0.91	NE 8 mph
7/20-21	1.48	1.82	1.57	W 12 mph
7/21-22	0.97	1.58	1.75	SW 8 mph
7/24-252	1.03	1.59	1.47	SW 6 mph
Average Concentration	1.10	1.50	1.34

¹ppm = parts per million
²Digging for trial burn, SW wind toward 94th & Madison

Table 12. USEPA TOXIC CHEMICAL RELEASE INVENTORY (TRI) SUMMARY FOR LENZ OIL HAZARDOUS WASTE SITE (Values reported in estimated pounds released per year).

Chemical Released	Medium	1987	1988	1989	1990	1991
Acetone	Air	6264	9210	10342	13447	6945
	Land				250
Aluminum oxide	Air	320000	463600
Ammonia	Air	7829	6271	14773	61165	2000
	Water	69080	45787	24445	11315	27000
	Land	250	1728	1074
Benzene	Air	64000	80413	89828	70103	32700
	Water				28	27
	Land	250
1,3-Butadiene	Air	50	41	15	17	1
Butyl acrylate	Air	500	500	500	500	500
Chlorine	Air	3550	250	3727	4300	6600
Chromium compounds	Air	900	265	65	59	38
	Water	680	475	675	514	610
	Land	220	6825	3377
Cobalt compounds	Water	120
	Land	250
Cyclohexane	Air	16000	12842	8010	7768	2700
	Water					5
Dibutyl phthalate	Air	500	500	500	500	500
Dichloromethane	Air			750	750	1000
Ethyl acrylate	Air	500	500	500	500	500
Ethylbenzene	Air	20550	20804	20284	10442	4000
	Water	500	250		51	94
	Land	500
Ethylene	Air	7750	8406	9144	9339	4200
Ethylene glycol	Air		185
Ethylene oxide	Air	132599	97518
Freon	Air	10550	12620	12420
Glycol ethers	Air	500	500	500	500	500
Hydrochloric acid	Air	68700	65500	70000	80120	771453
	Land	2600	2600	2600	2600
Hydrogen fluoride	Air	7700	7825	6800	7826	6700
	Water	250
Lead compounds	Air	60			51	68
	Water	930	950	784	1028	980
	Land	130	759	374
Methanol	Air	1838	2511	2281	2877	1463
Methylethylketone	Air	4350	4694	6550	6700	8480
Methylmethacrylate	Air	500	500	500	500	1000
Molybdenum trioxide	Water				1285	1200
Naphthalene	Air	18000	8070	7453	3049	1130
	Water				10	10
	Land	250		262
Nickel compounds	Air	1850	750	750	159	210
	Water	580		490	642	610
	Land	250		142
Nitric acid	Air	3850	3670	3650	3650
	Land	390	390	250	250
Phenol	Air	170	11972	3934	1331	1301
	Water	340	361	354	537	340
	Land	250	29	12
Phosphoric acid	Air	1080	841	761	760	250
Propylene	Air	12750	750	8930	9451	3290
Propylene oxide	Air	998	700
Sodium hydroxide	Air	250	250
	Water	16011	16000
	Land	630	630
Sulfuric acid	Air	3420	1868	2300	2055	250
	Land	710	710	750	250
Styrene	Air	25336	25165	24265	24051	43255
	Water	250	250	250	250	250
	Land	6600	250		250
Toluene	Air	20900	117619	139101
Trichloroethylene	Air	19869	37466	26134	34000	15000
1,1,1-Trichloroethane	Air	158000	96200	156900	96199	15424
	Water				24	23
1,2,4-Trimethylbenzene	Air	5500	5486	468	3815	3410
	Water					5
	Land	250
Xylene	Air	73000	82230	65400	34506	15050
	Water					5
Zinc	Air		500	750	505	505
	Water	250	250	250	10	5
	Land	250

BLANK = NO REPORTED RELEASE TO THAT MEDIUM

Table 13. Maximum Concentrations of Identified Contaminants Detected in Lenz Oil On-Site Surface and Subsurface Soils Before and After Incineration.

Contaminant	Prior-Highest Concentration (ppm**)	Date	Reference	After-Highest* Concentration (ppm**)
Benzene	8.5	01/23/87	21	0.130
Xylenes	2000.0	01/23/87	21	42
Dimethylbenzene	680	01/23/87	21
Toluene	890.0	01/23/87	21	10
Ethylbenzene	520.0	01/23/87	21	11
Ethylmethylbenzene	220	01/23/87	21
Trimethylbenzene	150	01/23/87	21
1,2-Dichlorobenzene	34.0	01/23/87	21	1.9
Chloroethane	0.21	10/29/85	23
trans-1,2-Dichloroethene	80.0	01/23/87	21	1.1
1,1-Dichloroethane	68.0	10/29/85	23	0.15
Methylene chloride	22.0	01/23/87	21	0.96
1,1,1-Trichloroethane	22.1	10/29/85	23	0.16
Tetrachloroethene	15.3	10/29/85	23	2.8
Trichloroethene	0.005	10/29/85	23	0.91
trans-1,3-Dichloropropene				0.014
Acenaphthalene				1.2
Anthracene				2.2
Fluoranthene	200.0	01/23/87	21	13
Phenanthrene	170.0	01/23/87	21	9.1
Naphthalene	30.0	10/29/85	23	26
Methylnaphthalene	14	01/23/87	21
2-Methylnaphthalene	65.0	10/29/85	23	45
Dimethylnaphthalene	15	01/23/87	21
Trimethylnaphthalene	11	01/23/87	21
Ethylnaphthalene	15	01/23/87	21
Benzo (a) anthracene				4.9
Dibenzofuran				2.4
Fluorene				2.5
Pyrene				12
Polychlorinated Biphenyls	15.0	10/29/85	23
Aroclor-1242				12
Aroclor-1254				9.3
Aroclor-1260				1.3

Table 13 (continued)

Contaminant	Prior-Highest Concentration (ppm**)	Date	Reference	After-Highest* Concentration (ppm**)
Butylbenzylphthalate				3.2
Bis (2-ethylhexyl) phthalate				7.4
Chrysene				5.7
Benzo (b) fluoranthene				6.2
Benzo (K) fluoranthene				3.9
Benzo (a) pyrene				4.5
Benzo (g,h,i) perylene				2.6
Indeno (1,2,3,c,d) pyrene				3.2
Isophorone				3.5
gamma-BHC				0.0075
gamma-Chlordane				0.0024
Aldrin				0.018
DDE				0.053
DDD				0.26
DDT				0.38
Di-n-butylphthalate				0.42
Phenol				5.2
2,4-Dimethylphenol				0.57
Chloroform				0.006
Acetone				1.6
2-Butanone				0.36
Carbon disulfide				0.11
Beryllium				1.0
Cadmium				3.8
Chromium (total)				98.1
Cobalt				28.4
Copper				670
Lead	890.0	1/23/87	21	909
Magnesium				104,000
Zinc				639
------------------------------------------------------------------------------------------------

* = From Feasibility Study Report, November, 1992, ERM-North Central, Inc.
ppm** = parts per million

Table 14. Lenz Oil Completed Exposure Pathways

PATHWAY NAME	EXPOSURE PATHWAY ELEMENTS
	SOURCE	ENVIRONMENTAL MEDIA	POINT OF EXPOSURE	ROUTE OF EXPOSURE	EXPOSED POPULATIONS	TIME
Site Wastes	Collected Wastes	Contaminated Soil	Daily operations	Inhalation/Direct Contact	Workers	Past
			Fugitive dusts and/or fumes onto neighboring properties Tracking of wastes on roads	Inhalation	Downwind residents	Past Present
Groundwater	Surface Waste Contaminated soil	Groundwater	Use of contaminated well water	Ingestion/Inhalation	Residents with downgradient private wells	Past
				Inhalation	Residents using wells for nonpotable purposes	Present
Surface Water	Surface wastes Contaminated soil Groundwater discharge	Surface Runoff Surface water	Northern drainageway Des Plaines River	Inhalation/Direct Contact/Ingestion	Individuals using surface water for recreation or drinking water	Past Present Future

Table 15. Potential Exposure Pathways

PATHWAY NAME	EXPOSURE PATHWAY ELEMENTS
	SOURCE	ENVIRONMENTAL MEDIA	POINT OF EXPOSURE	ROUTE OF EXPOSURE	EXPOSED POPULATIONS	TIME
Groundwater	Surface wastes Nonaqueous layer Contaminated soils Contaminated surface water	Groundwater	New wells Surface water use	Ingestion Inhalation	Residents downgradient or downstream	Future
		Indoor air	Indoor air		Residents with basements
Sediments	Contaminated soil Surface water Surface runoff Air deposition	Sediment receiving settling contaminants	North drainageway	Ingestion Direct contact	Fishermen Hunters Waders	Past Present Future
			Des Plaines River	Ingestion Direct Contact	Dredging workers Downstream use of water	Future
Soil	Subsurface contamination Nonaqueous layer	Surface and subsurface soil	On-site activities	Inhalation Direct Contact	Workers Trespassers	Present Future

APPENDIX B - Figures 1-7

The figures are taken from reports cited on each figure and in the references, and are maps of the site and surrounding areas.

Figure 1: Lenz Oil Site Location Map
Figure 2: Lenz Oil Land Use Map
Figure 3: Preremediation Site Features
Figure 4: Postremediation Site Features
Figure 5: Lenz Oil Monitoring Well Locations
Figure 6: Soil Sample Locations
Figure 7: Sediment & Surface Soil Sampling Locations

Figure 1: Lenz Oil Site Location Map

Figure 2: Lenz Oil Land Use Map

Figure 3: Preremediation Site Features

Figure 4: Postremediation Site Features

Figure 5: Lenz Oil Monitoring Well Locations

Figure 6: Soil Sample Locations

Figure 7: Sediment & Surface Soil Sampling Locations

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