Table 3.1-1. Current Environmental Restoration Activities (cont'd)


ADS 1200 -- Landfill Units (AL-PX-07)

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
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
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
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
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
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

(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.