The Dalles Administrative Record
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The Former Martin-Marietta Aluminum Reduction Facility is located in The Dalles, Oregon, west of the Columbia River. The Martin Marietta Corporation used the Site for aluminum production activities from 1958 to 1984. During operations, contaminants were released to environment. These releases polluted soil and groundwater at the Site.
In 1987, the Site was listed as a Superfund site. From 1989 to 1992, the Martin Marietta Corporation, with oversight from EPA, cleaned up the Site. Cleanup consisted of consolidating waste in an onsite landfill and placing a soil cover over a pond area that received liquid waste. In 1996, EPA deleted the Site from the list of priority sites, but activities to maintain the landfill and former pond area will continue as long as there is waste left on the Site.
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2000 - 2018
- Combined 2018 Semiannual RCRA and Annual CERCLA Report
- FALL 2018 Semi-Annual RCRA Report
- Combined 2017 Semiannual RCRA and Annual CERCLA Report
- FALL 2017 Semi-Annual RCRA Report
- Five Year Review Report January 2005 to December 2012
- Five Year Review Fact Sheet 2013
- Five Year Review Report December 1999 to June 2005
1999
1994
- EPA Superfund Explanation of Significant Differences September 28, 1994
- Five Year Review Report December 1994
1989
1988
- Remedial Investigation Report March 1988
- USEPA Record of Decision, Decision Summary and Responsiveness Summary September 1988
- EPA Superfund Record of Decision September 29, 1988
- Feasibility Study June 1988
1985
Community Information
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View a List of Terms Commonly Used in Relation to General Environmental Remediation Efforts