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2010-09-11
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National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Rocky Mountain Arsenal Federal Facility
Rules and Regulations
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United States
Environmental Protection Agency
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United States Government Agency or Subagency
The Environmental Protection Agency (EPA) Region 8 announces the deletion of portions of the On-Post Operable Unit (OU3), specifically the Central and Eastern Surface Areas including surface media and structures (CES), and the surface media of the Off-Post Operable Unit (OU4) (OPS) of the Rocky Mountain Arsenal Federal Facility (RMA) located in Commerce City, Colorado from the National Priorities List (NPL). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This partial deletion pertains to the surface media (soil, surface water, sediment) and structures (both former structures that have been demolished and structures retained for future use) within the CES and the surface media of the entire OPS. The rest of the On-Post OU, including groundwater below RMA that is west of E Street, and the groundwater that comprises the Off-Post OU will remain on the NPL and is not being considered for deletion as part of this action. Response activities will continue at those OUs. The EPA and the State of Colorado, through the Colorado Department of Public Health and Environment (CDPHE), have determined that all appropriate response actions under CERCLA, other than operation, maintenance, and five-year reviews, have been completed. However, the deletion of these parcels does not preclude future actions under Superfund.
75 FR 55479
https://www.govinfo.gov/app/details/FR-2010-09-13/2010-22747
2010-22747
FR13SE10-9
6560-50-P
EPA-HQ-SFUND-1987-0002
FRL-9199-5
https://www.govinfo.gov/app/details/FR-2010-09-13/2010-22747
https://www.govinfo.gov/content/pkg/FR-2010-09-13/html/2010-22747.htm
https://www.govinfo.gov/content/pkg/FR-2010-09-13/pdf/2010-22747.pdf
Environmental Protection
Air Pollution Control
Chemicals
Hazardous Waste
Hazardous Substances
Intergovernmental Relations
Penalties
Reporting and Recordkeeping Requirements
Superfund
Water Pollution Control
Water Supply
2 p.
55479
55480
75 FR 55479
Code of Federal Regulations
Title 40 Part 300
40 CFR Part 300
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Rocky Mountain Arsenal Federal Facility; Federal Register Vol. 75, Issue
RULE
2010-22747
ENVIRONMENTAL PROTECTION AGENCY
2010-09-13
EPA-HQ-SFUND-1987-0002
FRL-9199-5
6560-50-P
2010-22747
Final rule.
The Environmental Protection Agency (EPA) Region 8 announces the deletion of portions of the On-Post Operable Unit (OU3), specifically the Central and Eastern Surface Areas including surface media and structures (CES), and the surface media of the Off-Post Operable Unit (OU4) (OPS) of the Rocky Mountain Arsenal Federal Facility (RMA) located in Commerce City, Colorado from the National Priorities List (NPL). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This partial deletion pertains to the surface media (soil, surface water, sediment) and structures (both former structures that have been demolished and structures retained for future use) within the CES and the surface media of the entire OPS. The rest of the On-Post OU, including groundwater below RMA that is west of E Street, and the groundwater that comprises the Off-Post OU will remain on the NPL and is not being considered for deletion as part of this action. Response activities will continue at those OUs. The EPA and the State of Colorado, through the Colorado Department of Public Health and Environment (CDPHE), have determined that all appropriate response actions under CERCLA, other than operation, maintenance, and five-year reviews, have been completed. However, the deletion of these parcels does not preclude future actions under Superfund.
Effective Date: This action is effective September 13, 2010.
Jennifer Chergo, Community Involvement Coordinator (8OC), U.S. Environmental Protection Agency, Region 8, 1595 Wynkoop Street, Denver, Colorado 80202-1129, 1-800-227-8917 or 303-312- 6601; fax number: 303-312-7110; e-mail: chergo.jennifer@epa.gov.
Environmental Protection
Air Pollution Control
Chemicals
Hazardous Waste
Hazardous Substances
Intergovernmental Relations
Penalties
Reporting and Recordkeeping Requirements
Superfund
Water Pollution Control
Water Supply
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List:
Partial Deletion of the Rocky Mountain Arsenal Federal Facility
,
chergo.jennifer@epa.gov
http://www.regulations.gov
Federal Register
Vol. 75, no. 176
Office of the Federal Register, National Archives and Records Administration
2010-09-13
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https://www.govinfo.gov/app/details/FR-2010-09-13
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