Rocky Mountain Arsenal (Usarmy)

Superfund site in Adams County, CO · EPA ID CO5210020769

Rocky Mountain Arsenal (Usarmy) is a Superfund site in Adams County, CO on the EPA National Priorities List (Currently on the Final NPL). Contaminants of concern include POLYCHLORINATED BIPHENYLS (PCBS), 1,1,1-TRICHLOROETHANE, 1,1,2-TRICHLOROETHANE, 1,1-DICHLOROETHANE. At Rocky Mountain Arsenal (Usarmy), the EPA has determined that human exposure is under control.

EPA status

National Priorities List
Currently on the Final NPL
Human exposure under control
Yes
Groundwater migration under control
Yes
Construction complete
No
Sitewide ready for reuse
No
Federal facility
Yes
EPA region
08
County
Adams

Contaminants of concern

Grouped by the environmental medium in which the EPA recorded them.

Air

  • Polychlorinated Biphenyls (Pcbs)

Buildings/Structures

  • 1,1,1-Trichloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,2-Dibromo-3-Chloropropane
  • 1,2-Dichloroethane
  • 1,2-Dimethylbenzene (O-Xylene)
  • 1,3-Dimethylbenzene (M-Xylene)
  • 1,4-Dimethylbenzene (P-Xylene)
  • 1-Chloro-2-[(2-Chloroethyl)Sulfanyl]Ethane
  • 2,5-Norbornadiene
  • 2-Fluoroacetic Acid
  • 2-[Fluoro(Methyl)Phosphoryl]Oxypropane (Sarin)
  • 4-Methyl-2-Pentanone (Methyl Isobutyl Ketone)
  • Aldrin
  • Arsenic
  • Atrazine
  • Benzene
  • Cadmium
  • Carbon Tetrachloride
  • Chlorobenzene
  • Chloroform
  • Chlorophenoxy Herbicides
  • Chromium
  • Copper
  • Dichloro-[(E)-2-Chloroethenyl]Arsane (Lewisite)
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Ethylbenzene
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Malathion
  • Mercury
  • P,P'-Ddd
  • P,P'-Ddt
  • Parathion
  • Toluene
  • Trans-1,2-Dichloroethene
  • Trichloroethene
  • Vx
  • Zinc

Debris

  • 1,1,2,2-Tetrachloroethane
  • 1,1-Dichloroethene
  • 1,2-Dibromo-3-Chloropropane
  • 1,2-Dichloroethane
  • Arsenic
  • Benzene
  • Cadmium
  • Carbon Tetrachloride
  • Chlordane
  • Chloroacetic Acid
  • Chlorobenzene
  • Chloroform
  • Chromium
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Mercury
  • P,P'-Dde
  • P,P'-Ddt
  • Polychlorinated Biphenyls (Pcbs)
  • Tetrachloroethene
  • Toluene
  • Trichloroethene

Free-phase NAPL

  • Voc

Groundwater

  • 1,1,1-Trichloroethane
  • 1,1,2,2-Tetrachloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dibromo-3-Chloropropane
  • 1,2-Dichlorobenzene
  • 1,2-Dichloroethane
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • 1,3-Dichlorobenzene
  • 1,4-Dichlorobenzene
  • 2,5-Norbornadiene
  • Aldrin
  • Arsenic
  • Atrazine
  • Benzene
  • Cadmium
  • Calcium Carbonate
  • Calcium Oxide
  • Carbon Tetrachloride
  • Chlordane
  • Chloride
  • Chloroacetic Acid
  • Chlorobenzene
  • Chloroform
  • Chromium
  • Copper
  • Dichlorobenzene (Mixed Isomers)
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Ethylbenzene
  • Fluoride
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Malathion
  • Manganese
  • Mercury
  • Methylphosphonic Acid
  • N-Nitrosodimethylamine
  • Organics
  • P,P'-Dde
  • P,P'-Ddt
  • Pesticides
  • Sulfate
  • Tetrachloroethene
  • Toluene
  • Trans-1,2-Dichloroethene
  • Trichloroethene
  • Voc
  • Xylene (Mixed Isomers)
  • Zinc

Liquid Waste

  • 1,1,1-Trichloroethane
  • 1,1,2,2-Tetrachloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dichloroethane
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • 1,4-Dithiane
  • 1-Chloro-2-[(2-Chloroethyl)Sulfanyl]Ethane
  • 2,2-Dichloroethenyl Dimethyl Phosphate
  • 2-Fluoroacetic Acid
  • 2-[Fluoro(Methyl)Phosphoryl]Oxypropane (Sarin)
  • 4-Methyl-2-Pentanone (Methyl Isobutyl Ketone)
  • Aldrin
  • Arsenic
  • Atrazine
  • Benzene
  • Cadmium
  • Carbon Tetrachloride
  • Chlordane
  • Chlorobenzene
  • Chloroform
  • Chromium
  • Copper
  • Dibromochloromethane
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Ethylbenzene
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Malathion
  • Mercury
  • N-Nitrosodimethylamine
  • Parathion
  • Pesticides
  • Toluene
  • Trichloroethene
  • Xylene (Mixed Isomers)
  • Zinc

Sediment

  • 1,2-Dibromo-3-Chloropropane
  • Aldrin
  • Dieldrin
  • Endrin
  • P,P'-Dde
  • P,P'-Ddt

Sludge

  • Arsenic
  • Cadmium
  • Calcium Carbonate
  • Calcium Oxide
  • Chromium
  • Copper
  • Lead
  • Mercury
  • Nitrate/Nitrite
  • Organics
  • Pesticides
  • Zinc

Soil

  • 1,1,1-Trichloroethane
  • 1,1,2,2-Tetrachloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dibromo-3-Chloropropane
  • 1,2-Dichloroethane
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • 1,4-Dithiane
  • 1-Chloro-2-[(2-Chloroethyl)Sulfanyl]Ethane
  • 2,2-Dichloroethenyl Dimethyl Phosphate
  • 2-Fluoroacetic Acid
  • 2-[Fluoro(Methyl)Phosphoryl]Oxypropane (Sarin)
  • 4-Methyl-2-Pentanone (Methyl Isobutyl Ketone)
  • Aldrin
  • Arsenic
  • Atrazine
  • Benzene
  • Cadmium
  • Calcium Carbonate
  • Calcium Oxide
  • Carbon Tetrachloride
  • Chlordane
  • Chloroacetic Acid
  • Chlorobenzene
  • Chloroform
  • Chromium
  • Copper
  • Dibromochloromethane
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Ethylbenzene
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Malathion
  • Mercury
  • N-Nitrosodimethylamine
  • Organics
  • P,P'-Dde
  • P,P'-Ddt
  • Parathion
  • Pesticides
  • Polychlorinated Biphenyls (Pcbs)
  • Tetrachloroethene
  • Toluene
  • Trans-1,2-Dichloroethene
  • Trichloroethene
  • Xylene (Mixed Isomers)
  • Zinc

Soil Gas

  • 1,1,1-Trichloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • Benzene
  • Toluene
  • Trans-1,2-Dichloroethene
  • Trichloroethene

Solid Waste

  • 1,1,1-Trichloroethane
  • 1,1,2,2-Tetrachloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethene
  • 1,2-Dichloroethane
  • 1,2-Dichloroethene (Cis And Trans Mixture)
  • 1,4-Dithiane
  • 1-Chloro-2-[(2-Chloroethyl)Sulfanyl]Ethane
  • 2,2-Dichloroethenyl Dimethyl Phosphate
  • 2-Fluoroacetic Acid
  • 2-[Fluoro(Methyl)Phosphoryl]Oxypropane (Sarin)
  • 4-Methyl-2-Pentanone (Methyl Isobutyl Ketone)
  • Aldrin
  • Arsenic
  • Atrazine
  • Benzene
  • Cadmium
  • Carbon Tetrachloride
  • Chlordane
  • Chlorobenzene
  • Chloroform
  • Chromium
  • Copper
  • Dibromochloromethane
  • Dichloromethane (Methylene Chloride)
  • Dicyclopentadiene
  • Dieldrin
  • Endrin
  • Ethylbenzene
  • Hexachlorocyclopentadiene
  • Isodrin
  • Lead
  • Malathion
  • Mercury
  • N-Nitrosodimethylamine
  • Parathion
  • Pesticides
  • Polychlorinated Biphenyls (Pcbs)
  • Toluene
  • Trichloroethene
  • Xylene (Mixed Isomers)
  • Zinc

Surface Water

  • Arsenic
  • Chlordane
  • Chloride
  • Dicyclopentadiene
  • Dieldrin
  • Fluoride
  • P,P'-Dde
  • P,P'-Ddt
  • Sulfate

Location

IMMED N STAPLETON INTL ARPT, Adams County, CO 80022

Latitude 39.833398, longitude -104.842445

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