Table 3.1-1. Current Environmental Restoration Activities

Release Site Name (Identifier)	Hazards/Contaminants of Potential Concern	Area (ft2) Volume (ft3) where noted	Regulatory Phase/Status(a)	Relative Risk Rating(b)	Completed Clean-Up Actions
ADS 1198 -- Miscellaneous Chemical Spills and Release Sites (AL-PX-12)
Building 10-9 Vicinity Scrap and Salvage Yard -- SWMU 84	Cadmium, inorganic acids, lead, and miscellaneous solvents (based on historical information).	100,000	RFI	Medium/DMPP
Former Battery Storage Area, Building 12-81 -- SWMU 103	Cadmium, inorganic acids, and lead (based on historical information).	ND	RFI	Medium/DMPP
Overflows from Building 11-36 Collection System/Sump -- SWMU 113	HE, methanol, tetrahydrofuran, toluene, sodium hydroxide salts, metals, and xylene (based on historical information).	ND	RFI	NR	Active: Deferred until site no longer used
Former Waste Drum Storage Areas, Buildings 10-9 and 10-7 -- SWMU 143	Adhesives, miscellaneous solvents, and TNT (based on historical information).	ND	RFI	Medium/DMPP
Transformer Leak Near Building 11-14A -- AOC 1	PCBs (based on historical information).	ND	RFI	Medium/DMPP
Main Electrical Substation -- AOC 2	PCBs (based on historical information).	ND	NFRAP	NR	Closed with submittal of final RFI Work Plan, dated October 1993
Former Boiler House Areas in Zones 10 and 11 -- AOC 3	Mercury (based on historical information).	ND	RFI	Medium/DMPP
Electrical Equipment Bone Yard near Building 12-5 -- AOC 5	PCBs (based on historical information).	23,000	RFI	Medium/DMPP
Sulfuric Acid Spills, Buildings 12-4, 12-64, and 11-36 -- AOC 7	Hydrochloric acid, nitric acid, and sulfuric acid (based on historical information).	No data	NFRAP	Medium/DMPP	Closed w/draft final RFIR dated August 1995
Solvent Leaks (Pads 11-12, 11-17, 11-13, and 11-22 and Building 11-36) -- AOC 8a-d	Acetone, DMF, HE, methanol, sulfuric acid, toluene, and TNT (based on historical information). AOC 8 a & b have been transferred to ADS-1212 for RFI	23680	AOC 8c,d = NFRAP AOC 8a, b = RFI	Medium/DMPP	AOC 008c,d closed w/draft final RFIR dated August 1995
Pesticide Rinse Area, Buildings 12-51 and 12-43 -- AOC 10	2,4-D, BanvelTM, d-ConTM, dioxins, furans, HyvarTM, and malathion (based on historical information). AOC 10 a has been transferred to ADS-1212 for RFI	No data	AOC 10b = RFI AOC 10a = RFI	Medium/DMPP
Battery Storage Area, Scrap Salvage Yard, Building 10-9 -- AOC 14	Cadmium, inorganic acids, and lead (based on historical information).	440	RFI	Medium/DMPP
DDT Release at Building 12-35 -- AOC 15	DDT (based on historical information).	41,000 (volume)	RFI	Medium/DMPP
Capacitor Bank Rupture Zone 12 -- No SWMU number (UN-3)	PCBs (based on historical information).	2,600	RFI	Medium/DMPP
ADS 1198 -- Miscellaneous Chemical Spills and Release Sites (AL-PX-12) (continued)
Evaporation Pit 40 ft E of Bay 3, Building 11-20 -- No SWMU number (UN-4)	HE and trichloroethylene (based on historical information).	800	RFI	Medium/DMPP
Evaporation Pit S of Bay 11 and West of Bay 6, Building 11-20 -- No SWMU number (UN-5)	Acetone, alcohol, HE (HMX), toluene, and trichloroethylene (based on historical information).	100	RFI	Medium/DMPP
Former Leaching Bed N of Building 11-50 and W of Building 11-36 -- No SWMU number (UN-6)	Acetone, cyclohexane, HE (HMX), HNS, methanol, TATB, tetrahydrofuran, and toluene (based on historical information).	No data	RFI	Medium/DMPP
Building 12-5B Concrete Sump -- New AOC (UN-18)	No data are available on contaminants of concern.	No data	RFI	Medium/DMPP
ADS 1200 -- Landfill Units (AL-PX-07)
Landfill 3 -- SWMU 54	Contaminants of Potential Concern -- Surface and Subsurface Soils SVOCs (benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, chrysene, phenanthrene) Explosives (RDX, TNB, TNT) Pesticides (endrin aldehyde) Metals (arsenic, barium, copper, lead) Miscellaneous (asbestos, TPH) Source: Jacobs, 1994	382,000	RFI	High/DSPP
Landfill 4 -- SWMU 55	No debris encountered during sampling. Barium, cadmium, and lead concentrations in surface soils and lead concentration in subsurface soils were slightly over RRS 1 levels. NFA recommended.	N/A	NFRAP	NR	Request for Closure with letter to TNRCC dated June 28, 1995
Landfill 5 -- SWMU 56	Contaminants of Potential Concern -- Surface and Subsurface Soils SVOCs (phenanthrene) Metals (barium, chromium, copper, lead) Miscellaneous (asbestos, TPH) Source: Jacobs, 1994	2,400	NFRAP	High/DSPP
ADS 1200 -- Landfill Units (AL-PX-07) (continued)
Landfill 6 -- SWMU 57	Contaminants of Potential Concern -- Surface and Subsurface Soils SVOCs [benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, chrysene, phenanthrene] Pesticides (alpha chlordane, gamma chlordane) Metals (barium, cadmium, copper, lead, mercury) Radionuclides (Cs-137, U-238) Miscellaneous (TPH) Source: Jacobs, 1994	2,400	NFRAP	High/DSPP
Landfill 7 -- SWMU 58	Not found, assumed nonexistent. Lead concentration in subsurface soils was slightly over RRS 1 levels. NFA recommended.	N/A	NFRAP	High/DSPP
Landfill 9 -- SWMU 60	Contaminants of Potential Concern -- Waste Pesticides (endrin aldehyde) Metals (lead, mercury) Miscellaneous (TPH) Contaminants of Potential Concern -- Surface Soils Pesticides (endrin aldehyde) Metals (barium, cadmium, vanadium) Miscellaneous (TPH) Contaminants of Potential Concern -- Subsurface Soils Metals (barium, mercury) Miscellaneous (TPH) Source: Jacobs, 1994	8,680	NFRAP	High/DSPP
Landfill 10 -- SWMU 61	Contaminants of Potential Concern -- Surface Soils Pesticides (aldrin, endrin) PCBs/Dioxins/Furans (PCB-1260) Metals (barium, lead) Contaminants of Potential Concern -- Subsurface Soils SVOCs [benzo(a)anthracene, benzo(b,k)fluoranthene, chrysene] Metals (lead) Miscellaneous (asbestos, TPH) Source: Jacobs, 1994	2,100	NFRAP	High/DSPP
Landfill 11 -- SWMU 62	Not found, assumed nonexistent	N/A	NFRAP	High/DSPP	Request for Closure with letter to TNRCC dated June 28, 1995
ADS 1200 -- Landfill Units (AL-PX-07) (continued)
Landfill 12 -- SWMU 63	Contaminants of Potential Concern -- Surface and Subsurface Soils SVOCs [benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, dibenz(a,h)anthracene, phenanthrene] Pesticides (endosulfan, endrin aldehyde, endrin ketone, methoxychlor) Metals (barium, copper, lead) Miscellaneous (TPH) Source: Jacobs, 1994	15,000	ICM	High/DSPP
Landfill 13 -- SWMU 64	Contaminants of Potential Concern -- Surface and Subsurface Soils SVOCs [2-methylnaphthalene, acenaphthene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene, bis(2-ethylhexyl)phthalate, chrysene, dibenzo(a,h)anthracene, dimethyl phthalate, fluoranthene, fluorene, naphthalene, phenanthrene, pyrene] Pesticides (4,4'-DDD, 4,4'-DDE, 4,4'-DDT, alpha-BHC, delta-BHC, dieldrin, endosulfan II, endosulfan sulfate, endrin, endrin aldehyde, endrin ketone, gamma-BHC, heptachlor, methoxychlor) PCBs/Dioxins/Furans (dibenzofuran) Metals (arsenic, barium, cadmium, chromium, copper, lead, mercury, nickel) Radionuclides (Cs-137, gross beta, total uranium) Miscellaneous (TPH) Source: Jacobs, 1994	60,000	RFI	High/DSPP
Landfill 15 -- SWMU 66	Debris-filled -- contaminants of concern are metals, petroleum hydrocarbons, and SVOCs	960	NFRAP	High/DSPP
Original General Purpose Sanitary Landfill -- SWMU 68a	Contaminants of Potential Concern -- Surface and Subsurface Soils Pesticides (endrin aldehyde) Metals (antimony, barium, copper, lead, mercury, nickel) Miscellaneous (asbestos, TPH) Source: Jacobs, 1994	No data	RFI	High/DSPP
ADS 1200 -- Landfill Units (AL-PX-07) (continued)
General Purpose Sanitary Landfill 1 -- SWMU 68b	Contaminants of Potential Concern -- Surface and Subsurface Soils VOCs (ethylbenzene, trichloroethene, tetrachlororethene) SVOCs [2-methylnaphthalene*, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(g,h,i)perylene, benzo(k)fluoranthene*, bis(2-ethylhexyl) phthalate*, chrysene, dibenzo(a,h)anthracene*, phenanthrene] Pesticides (4,4'-DDD*, 4,4'-DDE**, 4,4'-DDT, aldrin*, alpha chlordane*, dieldrin*, endosulfan II*, endosulfan sulfate*, endrin aldehyde*, gamma-chlordane*, methoxychlor, toxaphene*) PCBs/Dioxins/Furans (dibenzofuran, PCB-1242*, PCB-1248*, PCB-1254*) Metals (arsenic*, barium, beryllium*, cadmium, chromium*, copper, lead, mercury, nickel*, silver*, vanadium, zinc*) Radionuclides (Cs-137, U-238, total uranium) Miscellaneous (TPH)   * subsurface only     ** surface only Source: Jacobs, 1994	171,000	RFI	High/DSPP
General Purpose Sanitary Landfill 2 -- SWMU 68c	Contaminants of Potential Concern -- Surface Soils VOCs (ethylbenzene, 2-hexanone, tetrachloroethene, toluene, xylene) SVOCs [benzo(a)anthracene, benzo(a)pyrene, phenanthrene] Explosives (HMX) Pesticides (4,4'-DDE, 4,4'-DDT) Metals (barium, lead, mercury) Contaminants of Potential Concern -- Subsurface Soils VOCs (chloromethane, ethylbenzene, 2-hexanone, methylene chloride, tetrachloroethene, toluene, xylene, vinyl chloride) SVOCs [benzo(a)anthracene, benzo(a)pyrene, bis(2-ethylhexyl)phthalate, 1,4-dichlorobenzene, diethylphthalate, naphthalene] Explosives (HMX) Pesticides (aldrin, 4,4'-DDD, 4,4'-DDT, dieldrin, lindane) PCBs/dioxins/furans (PCBs) Metals (cadmium, lead, mercury) Contaminants of Potential Concern -- Groundwater VOCs (methylene chloride, tetrachloroethene) SVOCs [bis(2-ethylhexyl)phthalate, diethylphthalate] Explosives (RDX) Metals (nickel) Source: Jacobs, 1994	44,100	RFI	High/DSPP
ADS 1200 -- Landfill Units (AL-PX-07) (continued)
Active Sanitary Landfill -- SWMU 68d	Contaminated -- contaminants of concern are metals.	1,394,000	RFI	High/DSPP
Abandoned Landfill N of Zone 10 (formerly SVS 8, ADS 1222)	Contaminated -- contaminants of concern are petroleum hydrocarbons, SVOCs, and pesticides.	10,900	RFI	High/DSPP
ADS 1203 -- Fire Training Area Burn Pit Units (AL-PX-05)
Fire Training Area Burn Pits -- AOC 11	Organic Contaminants of Potential Concern -- Surface and Subsurface Soils VOCs (acetone, benzene, carbon disulfide, 1,1-dichloroethane, 1,2-dichloroethane, cis-1,2-dichloroethene, trans-1,2-dichloroethene, ethylbenzene, 2-hexanone, methyl ethyl ketone, methyl isobutyl ketone, methylene chloride, styrene, tetrachloroethene, toluene, 1,1,1-trichloroethane, trichloroethene, xylenes) SVOCs [butylbenzylphthalate, bis(2-ethylhexyl)phthalate, fluorene, 2-methylnaphthalene, phenanthrene] Pesticides (aldrin, alpha-BHC, beta-BHC, delta-BHC, gamma-BHC, chlordane, 4,4'-DDD, 4,4'-DDE, 4,4'-DDT, dieldrin, endosulfan I, endosulfan II, endosulfan sulfate, endrin, endrin aldehyde, heptachlor, heptachlorepoxide) PCBs/Dioxins/Furans (PCB-1254, heptachlorodibenzo-p-dioxin, octochlorodibenzo-p-dioxin, pentachlorodibenzofuran) Metal Contaminants of Potential Concern -- Surface Soils barium, copper, lead Metal Contaminants of Potential Concern -- Subsurface Soils lead Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1995	1,426	ICM	NR	Request for Closure with Draft Final ICM Closure Report dated November, 1995.
ADS 1205 -- Firing Site Units (AL-PX-09)
Firing Site 4 -- SWMU 69	Contaminants of concern are HE, metals, and anions based on historical information. (DOE et al., 1995)	4,800		NR	Active Unit: Deferred until site no longer used.
Firing Site 5 -- SWMU 70	Contaminants of concern are HE and depleted uranium based on historical information. (DOE et al., 1995)	4,800	ICM	Medium/DMPP
Firing Site 6 -- SWMU 71	Contaminants of concern are HE, radionuclides, and metals based on historical information. (DOE et al., 1995)	4,800	NFRAP	Medium/DMPP
Firing Site 10 -- SWMU 72	Contaminants of concern are depleted uranium and thorium based on historical information. (DOE et al., 1995)	4,800		NR	Active Unit: Deferred until site no longer used.
ADS 1205 -- Firing Site Units (AL-PX-09) (continued)
Firing Site 15 -- SWMU 73	Contaminants of concern are HE and strontium-90 based on historical information. (DOE et al., 1995)	4,800	NFRAP	Medium/DMPP
Firing Site 21 -- SWMU 74	Contaminants of concern are HE, metals, and anions based on historical information. (DOE et al., 1995)	4,800		NR	Active Unit: Deferred until site no longer used.
Firing Site 22 -- SWMU 75	Contaminants of concern are HE, metals, anions, and radionuclides based on historical information. (DOE et al., 1995)	4,800		NR	Active Unit: Deferred until site no longer used.
ADS 1207 -- Former Cooling Tower Unit (AL-PX-03)
Former Cooling Tower in Zone 12 -- AOC 13	RFI indicated barium, chromium(VI), lead, and nitrate/nitrite concentrations above RRS 1 cleanup levels. Low concentrations of HMX, RDX, and 2,4,6-TNT were detected as potential contaminants in a few scattered subsurface soil samples. The concentrations of all organic contaminants were below RRS 2 levels. Source: USACE, 1993	3,000	NFRAP --------------------- New area added to ADS; Chromate Contamination - ICM	NR	Request for Closure w/draft final RFIR dated October 1993.
ADS 1212 -- HE/Radiation Site Units (AL-PX-11)
Temporary High Explosives Burn Site -- SWMU 53	Contaminants of concern are baratol, HE, and TNT based on historical information.	7,200	ICM	Medium/DMPP
Subsurface Leaching Beds, Building 12-44 -- SWMU 135	Contaminants of concern are radionuclides and unknown laboratory chemicals based on historical information.	5,000	ICM	Medium/DMPP
Nuclear Accident Residue Storage Located in Zone 4 -- SWMU 82	Contaminants of concern are radionuclides, HE, and beryllium based on historical information.	120,000	ICM	Medium/DMPP
Zone 10 TNT Settling Pit -- SWMU 144	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
Zone 10 TNT Settling Pit -- SWMU 145	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
Zone 10 TNT Settling Pit -- SWMU 146	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
Zone 11 TNT Settling Pit -- SWMU 147	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
Zone 11 TNT Settling Pit -- SWMU 148	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
Zone 11 TNT Settling Pit -- SWMU 149	Contaminant of concern is HE based on historical information.	No data	ICM	Medium/DMPP
ADS 1212 -- HE/Radiation Site Units (AL-PX-11) (continued)
Building 12-24N HE Fabrication	HE (based on historical information.		ICM	Medium/DMPP
Building 11-44 High Explosives Wastewater Treatment Unit	HE (based on historical information).	No data	ICM	Medium/DMPP
Building 12-43, High Explosives Wastewater Treatment Unit	HE (based on historical information).	No data	ICM	Medium/DMPP
ADS 1216 -- Ditches & Playas (AL-PX-08)
Building 12-17 Drainage Ditch -- SWMU 1	Included in Flow System 1 RFI.	2 ft wide	ICM	High/DSEP
Building 12-43 Drainage Ditch -- SWMU 2	Included in Flow System 1 RFI.	8 ft wide	ICM	High/DSEP
Building 11-44 Drainage Ditch -- SWMU 3	Included in Flow System 1 RFI.	3 ft wide	ICM	High/DSEP
Building 11-50 Drainage Ditch -- SWMU 4	Included in Flow System 2 RFI.	6 ft wide		NR	Closed w/draft final RFIR dated 9/15/95.
Drainage Ditch, Building 12-5 -- SWMU 5-01	Portions included in Flow Systems 1, 2, and 4 RFIs.	1 to 8 ft wide	ICM	High/DSEP
Drainage Ditch, Building 12-5B -- SWMU 5-01	Portions included in Flow Systems 1, 2, and 4 RFIs.	1 to 8 ft wide	ICM	High/DSEP
Drainage Ditch, Building 12-51 -- SWMU 5-02	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-67 -- SWMU 5-02	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-110 -- SWMU 5-02	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-68 -- SWMU 5-03	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-18 -- SWMU 5-03	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-9 -- SWMU 5-03	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-10 -- SWMU 5-03	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Drainage Ditch, Building 12-19 -- SWMU 5-04	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-73 -- SWMU 5-04	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-21 -- SWMU 5-05	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-24 -- SWMU 5-05	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-44 -- SWMU 5-06	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-81 -- SWMU 5-06	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 12-41 -- SWMU 5-07	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch, Building 11-36 -- SWMU 5-08	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/8 closed w/draft final RFIR dated 9/15/95
Drainage Ditch, Building 11-7 -- SWMU 5-09	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/9 closed w/draft final RFIR dated 9/15/95
Drainage Ditch, Building 11-20 -- SWMU 5-09	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/9 closed w/draft final RFIR dated 9/15/95
Drainage Ditch, Building 11-51 -- SWMU 5-09	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/9 closed w/draft final RFIR dated 9/15/95
Ditch System at OSTP -- SWMU 5-10	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Z11 Main Perimeter Ditch -- SWMU 5-11	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Z12 Main Perimeter Ditches -- SWMU 5-12	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
Drainage Ditch System to Playa 1 -- SWMU 5-13	Portions included in Flow Systems 1, 2, and 4 RFIs.		ICM	High/DSEP
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Drainage Ditch System to Playa 2 -- SWMU 5-14	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/14 closed w/draft final RFIR dated 9/15/95
Drainage Ditch System to Playa 4 -- SWMU 5-15	Portions included in Flow Systems 1, 2, and 4 RFIs.			NR	SWMU 5/15 closed w/draft final RFIR dated 9/15/95
Playa 1 -- SWMU 6	Included in Flow System 1 RFI. Contaminants of Potential Concern -- Surface Soils VOCs (2-hexanone) SVOCs [acenaphthylene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene, bis(2-ethylhexyl)phthalate, chrysene, dibenzo(a,h)anthracene, indeno(1,2,3-cd)pyrene, 2-methylnaphthalene, pentachlorophenol, phenanthrene] Explosives (HMX, RDX) Pesticides (aldrin, alpha-BHC, delta-BHC) PCBs/Dioxins/Furans (dibenzofuran, PCB-1254, PCB-1260) Metals (antimony, barium, beryllium, cadmium, chromium, copper, lead, mercury, nickel, selenium, silver, vanadium) Contaminants of Potential Concern -- Subsurface Soils VOCs (2-hexanone) SVOCs [acenaphthylene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene, chrysene, dibenzo(a,h)anthracene, indeno(1,2,3-cd)pyrene, phenanthrene] Explosives (HMX, RDX) Pesticides (aldrin, alpha-BHC, delta-BHC, dieldrin, heptachlor epoxide) PCBs/Dioxins/Furans (dibenzofuran) Metals (antimony, arsenic, lead, silver) Contaminants of Potential Concern -- Surface Waters Pesticides (4,4'-DDT, heptachlor)** Metals (lead) Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1994a, Flow System 1.	7,065,000(c)	CMS	High/DSEP
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Playa 2 -- SWMU 7	Included in Flow System 2 RFI. Contaminants of Potential Concern -- Surface Soils VOCs (acetone, benzoic acid, cyclohexenone, methylene chloride, 2-propanol, toluene, trichloropropene) SVOCs [benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene, bis(2-ethylhexyl)phthalate, chrysene, decanal, dibenzo(a,h)anthracene, fluoranthene, indeno(1,2,3-cd)pyrene, phenanthrene, pyrene] Explosives (HMX) Pesticides (beta-BHC, endosulfan sulfate) Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, nickel, selenium, silver, thallium, vanadium) Contaminants of Potential Concern -- Subsurface Soils VOCs (cyclohexanone, cyclohexanol, chlorocyclohexanol, decanal, decanal B, methylene chloride, methyl acetate, nonanal B, nonanal, trichloropropene) SVOCs [bis(2-ethylhexyl)phthalate] Explosives (TNT) Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, lead, nickel, thallium) Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1994b, Flow System 2.	3,140,000(c)		NR	Closed w/draft final RFIR dated 9/15/95.
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Playa 3 -- SWMU 8	Included in Flow System 3 RFI. Contaminants of Potential Concern -- Surface Soils VOCs (acetone, cyclohexenone, tetrahydrofuran, toluene) SVOCs [bis(2-ethylhexyl)phthalate, dibutylphthalate, isophorone] Pesticides (alpha-BHC, beta-BHC, delta-BHC, dieldrin, endosulfan sulfate) Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, nickel, strontium, thallium, vanadium) Contaminants of Potential Concern -- Subsurface Soils VOCs (cyclohexene B, methylene chloride) SVOCs [dibutylphthalate] Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, lead, nickel, selenium, thallium, vanadium) Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1994c, Flow System 3.	2,744,000(c)	CMS	High/DSEP
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Playa 4 -- SWMU 9	Included in Flow System 4 RFI. Contaminants of Potential Concern -- Surface Soils VOCs (cyclohexenone, cyclohexanol, methylene chloride, 2-hexanone) SVOCs [benzo(a)anthracene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, chrysene, dibutylphthalate, fluoranthene, phenanthrene, pyrene] Pesticides (heptachlor) Metals (antimony, barium, beryllium, cadmium, chromium, copper, lead, mercury, nickel, selenium, silver, strontium, thallium, vanadium) Contaminants of Potential Concern -- Subsurface Soils VOCs (cyclohexenone, cyclohexenol B, cyclohexenol, cyclohexene B, nonanal, nonanal B, decanal, decanal B, methylene chloride, toluene, trichloropropene B, xylenes) SVOCs [benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, bis(2-ethylhexyl)phthalate, chrysene, dibutylphthalate, indeno(1,2,3-cd)pyrene] Explosives (TNT) Pesticides (aldrin, alpha-BHC, heptachlor) Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, lead, nickel, silver, thallium) Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1994d, Flow System 4.	9,000,000(c)		NR	Closed w/draft final RFIR dated 9/15/95.
ADS 1216 -- Ditches & Playas (AL-PX-08) (continued)
Pantex Lake -- SWMU 10	Included in Flow System 5 RFI. Contaminants of Potential Concern -- Surface Soils VOCs (decanal, delta-BHC, hexane, toluene) SVOCs [acrylonitrile, bis(2-ethylhexal)phthalate, dibutylphthalate] Pesticides (4,4'-DDE, endosulfan sulfate, endrin aldehyde, heptachlor) Metals (antimony, arsenic, barium, beryllium, cadmium, chromium, chromium(VI) copper, lead, mercury, nickel, selenium, strontium, thallium, vanadium) Contaminants of Potential Concern -- Subsurface Soils VOCs (cyclohexenol, methylene chloride, phenol) SVOCs [bis(2-ethylhexyl)phthalate, dibutylphthalate] Metals (arsenic, barium, beryllium, chromium, lead, nickel, silver) Organic compounds in bold are present at concentrations above RRS 2 levels. Source: Radian, 1994e, Flow System 5.	47,000,000	CMS	High/DSEP
Drainage Ditch near Surface Impoundment, Building 11-14 Pond -- SWMU 12	Included in Flow System 1 RFI	3 ft wide	ICM	High/DSEP
ADS 1219 -- High-Priority Potential Release Sites (AL-PX-02)
Firing Site 16 Surface Impoundment in Zone 5 -- SWMU 11	Contaminants detected above RRS 1 levels during Phase I fieldwork are barium, cadmium, and lead in surface soil samples. Low concentrations of HMX, RDX, and 4-amino-2,6-DNT were detected in the wastewater in the sump and impoundment. HMX was detected in surface soils near the sump. Source: E&E, 1994	950	NFRAP	NR	Requested Closure w/Closure Report dated September 1995
Building 11-51 Former Solar Evaporation Pond -- SWMU 13	Contaminants detected above RRS 1 levels during Phase I fieldwork are arsenic, barium, cadmium, and mercury in subsurface soils. Source: E&E, 1994	8,840	NFRAP	NR	Requested Closure w/draft final RFIR dated August 1995.
ADS 1219 -- High-Priority Potential Release Sites (AL-PX-02) (continued)
Firing Site 24 Concrete Sump -- SWMU 78	HMX was detected in one sample of water in the sump but not in soil samples. Gross alpha/beta activity was detected in sump water and soil, but the activity level was within the background ranges for gross alpha and beta activity levels in the vicinity of Pantex Plant as reported by the Texas Department of Health Bureau of Radiation Control. No contaminants were detected above RRS 1 levels during Phase I fieldwork. Source: E&E, 1994	No data	NFRAP	NR	Request for Closure w/draft final RFIR dated September 1994.
Building 12-68 Concrete Sump -- SWMU 109	Contaminants detected in Phase I fieldwork are metals (e.g., Cr and Pb).	7	NFRAP	NR	Request for Closure w/Closure Report dated September 1995.
Building 12-59 Subsurface Leaching Beds -- SWMU 136	Contaminants detected above RRS 1 levels during Phase I fieldwork are barium, cadmium, lead, and mercury in one to four of 61 samples. Source: E&E, 1994	3	NFRAP	NR	Request for Closure w/draft final RFIR dated September 1994.
Photoprocessing Leaching Bed at FS-10 -- SWMU 139	Contaminant detected above RRS 1 levels during Phase I fieldwork is cadmium. Source: E&E, 1994	64	NFRAP	NR	Request for Closure w/draft final RFIR dated September 1994.
Building 12-5D Painting Shop Area Solvent Disposal Pit -- AOC 12	Contaminants detected above RRS 1 levels during Phase I fieldwork are arsenic, cadmium, and lead. Low concentrations of di-n-octylphthalate and 2-nitrophenol were detected in subsurface soils. Source: E&E, 1994	No data	NFRAP	NR	Request for Closure w/draft final RFIR dated September 1994.
Firing Site 1 -- Unlined Landfill (FS-10 Landfill) (UN-1)	Contaminants detected below or slightly above background levels during Phase I fieldwork are metals and gross alpha/beta activity. Source: E&E, 1994	No data	NFRAP	NR	Request for Closure w/draft final RFIR dated September 1994.
Firing Site 22 -- Container (UN-1)	Lead is the only contaminant detected above RRS 1 levels during Phase I fieldwork. Source: E&E, 1994	No data	NFRAP	NR	Request for Closure w/Closure Report dated September 1995.
ADS 1220 -- Old Sewage Treatment Plant (AL-PX-04)
Old Sewage Treatment Plant Sludge Beds -- SWMU 140	Contaminants of Potential Concern -- Surface Soils RFI sampling detected barium and mercury above RRS 1 levels in surface soils. Alpha-chlordane (2.0 to 5.1 µg/kg) and gamma-chlordane (1.7 to 5.1 µg/kg) were detected at concentrations much lower their RRS 2 levels of 200 µg/kg. Contaminants of Potential Concern -- Subsurface Soils Lead and mercury were detected above RRS 1 levels in subsurface soil. Acetone was detected at a concentration of 0.069 mg/kg which is below its RRS 2 level of 1,020 mg/kg. No contaminants were detected above the RRS 2 levels. Source: Woodward-Clyde, 1994	24,000	NFRAP	NR	Request for Closure w/draft final RFIR dated June 1994.
ADS 1222 -- Supplemental Verification Sites (AL-PX-13)
Denuded Area Near Playa 1 (SVS 1)	Barium detected at concentration above decision criteria. (DOE et al., 1995)	3,920	RFI	Low/DNPP
Zone 11 Parallel Depressions near Building 11-26 (SVS 2)	Arsenic, barium, and beryllium detected at concentrations above decision criteria. (DOE et al., 1995)	2,600	RFI	Low/DNPP
Zone 10 Carbon Black Burial Area, near Building 10-7 -- SWMU 67 (SVS 3)	Barium, beryllium, chromium, vanadium, and copper detected at concentrations above decision criteria. (DOE et al., 1995)	17,500	RFI	Low/DNPP
Old Pistol Range near Playa 1 (SVS 4)				NR
Zone 11 Landfill (Landfill 8) East of Pad 11-13 (SVS 5)	Barium, vanadium, and solvents detected at concentrations above decision criteria. (DOE et al., 1995)	870	RFI	Low/DNPP
Zone 7 Landfills (Landfill 14) (SVS 6)	Barium, beryllium, and copper detected at concentrations above decision criteria. (DOE et al., 1995)	10,900	RFI	Low/DNPP
Zones 4 and 5 Magazine Demolition Debris Landfills (SVS 7)	Barium, beryllium, copper, and SVOCs detected at concentrations above decision criteria. (DOE et al., 1995)	1,260	RFI	Low/DNPP
ADS 1223 -- Leaking USTs (AL-PX-10)
Leaking Underground Storage Tanks at Buildings 12-35 and 16-1 -- AOC 6	TPH and benzene, toluene, ethylbenzene, and xylenes (BTEX) were detected; however, their levels in the soil are not sufficient to require further action.Benzene & TCE detected in Perched G/W; Investigated in ADS-1230 (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated October 1994.
ADS 1227 -- USTs at Other Locations (AL-PX-14)
UST 7, Building 12-58 -- No SWMU number	Significant contamination is associated only with former UST 9. The contamination consists of petroleum-based fuel. (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated October 1994.
UST 9, Building 12-17E -- No SWMU number	Significant contamination is associated only with former UST 9. The contamination consists of petroleum-based fuel. (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated April 1995.
UST 38, Building 12-98 -- No SWMU number	Significant contamination is associated only with former UST 9. The contamination consists of petroleum-based fuel. (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated October 1994.
UST 39, Building 12-84 -- No SWMU number	Significant contamination is associated only with former UST 9. The contamination consists of petroleum-based fuel. (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated October 1994.
Waste Oil Tank 30, Building 16-1 -- SWMU 133	Significant contamination is associated only with former UST 9. The contamination consists of petroleum-based fuel. (DOE et al., 1995)	No data	NFRAP	NR	Request for Closure w/draft final CAP Report dated October 1994.
ADS 1230 -- Zone 12 Groundwater (AL-PX-06)
Zone 12 Groundwater -- No SWMU number	Contaminants of Potential Concern -- Groundwater Volatile Organics (acetone, benzene, bromodichloromethane, carbon tetrachloride, chloroform, 1,1-dichloroethane, 1,2-dichloroethane, methyl ethyl ketone, tetrachloroethylene, toluene, 1,1,1-trichloroethane, trichloroethylene, trichlorofluoromethane, xylenes) Semivolatile Organics (bis(2-ethylhexyl)phthalate, 2,4-dinitrotoluene) PCBs/Dioxins/Furans (tetrahydrofuran) Explosives (2-amino-4,6-dinitrotoluene, 4-amino-2,6-dinitrotoluene, 1,3-dinitrobenzene, 2,4-dinitrotoluene, HMX, nitrobenzene, RDX, tetryl, 1,3,5-trinitrobenzene, 2,4,6-trinitrotoluene Metals (chromium, copper, chromium(VI), iron, manganese, nickel) Radioactivity (gross alpha/beta, U-234, U-238, plutonium, tritium, radium-226) Compounds in bold were measured at concentrations above RRS 2 levels. Source: USACE, 1995	Affected GW 1,200,000,000 Gallons	ICM (Treatability)	High/DSEP
ADS 1232 -- Burning Grounds (AL-PX-01) *
BG Explosives Burn Pad (BP-1) -- SWMU 14	Contaminants of Potential Concern -- Wastes (All Burning Grounds SWMUs) VOCs (methylene chloride, acetone, toluene) SVOCs [acenaphthene, anthracene, benzo(a)anthracene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)perylene, benzo(a)pyrene, bis(2-ethylhexyl)phthalate, chrysene, dibenzo(a,h)anthracene, 2,4-dinitrotoluene, 2,6-dinitrotoluene, di-n-octylphthalate, fluoranthene, fluorene, indeno(c,d)pyrene, phenanthrene, pyrene] Explosives (HMX, RDX, 1,3,5-trinitrobenzene, 1,3-dinitrobenzene, 2,4,6-trinitrotoluene, 4-amino-2,6-dinitrotoluene, nitrobenzene, 2-nitrotoluene) Pesticides (aldrin, beta-BHC, delta-BHC, dieldrin, 4,4'-DDE, endosulfan II, endrin, endrin aldehyde, heptachlor, heptachlorepoxide) PCBs/Dioxins/Furans (octochlorodibenzo-p-dioxin) Metals (arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, mercury, nickel, silver, vanadium, zinc) Radionuclides (thorium-228, uranium-238) Contaminants of Potential Concern -- Surface Soils (All Burning Grounds SWMUs) VOCs (methylene chloride, acetone) SVOCs [di-n-butylphthalate, bis(2-ethylhexyl)phthalate, di-n-octylphthalate] Explosives (HMX, RDX, 1,3,5-trinitrobenzene, 2,4,6-trinitrotoluene, 4-amino-2,6-dinitrotoluene) Pesticides (aldrin, alpha-BHC, beta-BHC, delta-BHC, gamma-BHC, 4,4'-DDD, 4,4'-DDT, endosulfan II, endosulfan sulfate, endrin, heptachlor, heptachlorepoxide) Metals (barium, copper, lead, mercury, nickel, vanadium) Radionuclides (uranium-238) Organic compounds in bold were measured at concentrations above Risk Reduction Standard (RRS) 2 levels. Source: IT Corp., 1995 Contaminants of Potential Concern -- Subsurface Soils (All Burning Grounds SWMUs) VOCs (methylene chloride, acetone) SVOCs [benzyl alcohol, bis(2-ethylhexyl)phthalate, di-n-butylphthalate, di-n-octylphthalate] Explosives (HMX, RDX, 1,3,5-trinitrobenzene, 1,3-dinitrobenzene, 2,4,6-trinitrotoluene, 4-amino-2,6-dinitrotoluene)	4,950	RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-2) -- SWMU 15			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-3) -- SWMU 16			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-4) -- SWMU 17			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-5) -- SWMU 18			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-6) -- SWMU 19			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-7) -- SWMU 20			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-8) -- SWMU 21			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-9) -- SWMU 22			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-10) -- SWMU 23			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-11) -- SWMU 24			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-12) -- SWMU 25			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-13) -- SWMU 26			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
BG Explosives Burn Pad (BP-14) -- SWMU 27			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill Cells (LA1, LA2, LA3, and LA4) -- SWMU 37		at least eight unlined pits ranging in area from 16,000 ft2 to 32,000 ft2	RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill Cells (LB1 and LB2) -- SWMU 38		RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
ADS 1232 -- Burning Grounds (AL-PX-01) (continued)
Burning Grounds Landfill Cells (LC1, LC2, LC3, LC4, LC5, and LC6) -- SWMU 39	Pesticides (aldrin, alpha-BHC, beta-BHC, delta-BHC, gamma-BHC, 4,4'-DDE, dieldrin, endosulfan sulfate, heptachlorepoxide) Metals (arsenic, barium, copper, lead, mercury) Organic compounds in bold were measured at concentrations above RRS 2 levels. Source: IT Corp., 1995		RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill Cell (LD) -- SWMU 40			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill Cell (LE) -- SWMU 41			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill Cell (LF) -- SWMU 42			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill -- SWMU 43			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Landfill -- SWMU 44			RFI	Medium/DMPP	Active Area: Deferred until Site Inactive
Burning Grounds Evaporation Pits -- SWMU 47		80	RFI	Medium/DMPP	Active Area: Deferred until Site Inactive

(a) Regulatory phase/status

- No Further Response Action Planned (NFRAP)

- Preliminary Assessment/Site Inspection (PA/SI) under CERCLA

- Remedial Investigation/Feasibility Study/Proposed Plan (RI/FS/PP) under CERCLA.

- Record of Decision (ROD) under CERCLA.

- Remedial Design/Remedial Action (RD/RA) under CERCLA.

- Long-Term Operations and Long-Term Maintenance (LTO/LTM).

- Other (including equivalent phases under RCRA, D&D, or other regulatory programs.

- RFI ­ RCRA Facility Investigation.

- ICM ­ Interim Corrective Measures under RCRA.

- CMS ­ Corrective Measures Study under RCRA.

- CMI ­ Corrective Measures Implementation under RCRA.

(b) Relative risk ranking based on EM-40 Relative Risk Guidance.
(c) The playa surface area varies with seasons. Average areas in square feet are given in the table.

* ADS-1232, Burning Grounds: Although cleanup activities have been deferred, some ICM/VCA cleanup may occur in the near future. Also, a ground water monitoring program is in place and a report is genererated quarterly as required by the RCRA permit.