National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Denver Radium Superfund Site

الملخص

The Environmental Protection Agency (EPA) Region 8 issued a Notice of Intent to Delete portions of the Denver Radium Superfund Site from the National Priorities List (NPL) on September 9, 2010 (75 FR 54779). The portions proposed for deletion are each of the 11 operable units at the Denver Radium Site, located in the City and County of Denver, Colorado. Groundwater contamination associated with Operable Unit 8 will remain on the NPL. To ensure that everyone has an opportunity to comment, EPA is extending the public comment period through November 1, 2010. 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). 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. This rationale for deleting the 11 operable units of the Denver Radium Superfund Site has not changed. The Federal Register notice for the