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AGENCY Texas Commission on Environmental Quality
ISSUE 08/24/2007
ACTION Miscellaneous

Notice of Deletion of the Dorchester Refining Company Site from the State Superfund Registry

The executive director (ED) of the Texas Commission on Environmental Quality (TCEQ) is issuing this notice of deletion of the Dorchester Refining Company Site (the Site) from its proposed for listing status on the state registry, the list of state Superfund sites. The state registry lists the contaminated sites which may constitute an imminent and substantial endangerment to public health and safety or the environment due to a release or threatened release of hazardous substances into the environment. The Site is being deleted from the state registry because it will be addressed under the agency's Voluntary Cleanup Program.

The Site was originally proposed for listing on the state registry in the May 20, 2005, edition of the Texas Register (30 TexReg 3048). The Site is approximately 138 acres and located in the 1700 block of West First Street, in the city of Mount Pleasant, Titus County, Texas. In addition, the Site includes any areas where hazardous substances came to be located as a result, either directly or indirectly, of releases of hazardous substances from the Site.

Dorchester Refining was an active refinery under several owners from 1936 to 1984, refining gasoline, diesel, naptha and asphalt products. Past refining operations at the Site have resulted in impact to soils and sediments. Data collected by the TCEQ as part of the 2003 Hazard Ranking System indicate elevated levels of heavy metals (cadmium, chromium, lead and mercury) and constituents (pyrene, chrysene, benzo(b) - and benzo(k) - fluoranthene, benzo(a)pyrene, indeno(1,2,3-cd)pyrene, and benzo(g,h,i)perlyene) were detected in the soils. Heavy metals (cadmium, chromium, and lead) were also detected in the sediments of nearby Tankersley creek. The elevated levels of metals and semi-volatile organic constituents in soils and sediments are attributable to the former refining operations at the Site.

The Site was accepted into the Voluntary Cleanup Program (VCP) for completion of investigation and remediation activities in accordance with the Texas Risk Reduction Program. Currently, the VCP participants are in the process of securing the Site and addressing health and safety issues before conducting a full site assessment. The VCP participants will conduct an initial assessment of groundwater, soils, and sediments as well as a later more detailed investigation to determine what cleanup levels and remedial actions are needed to complete closure of the Site under the Texas Risk Reduction Program.

In accordance with 30 TAC §335.344(b), the TCEQ held a public meeting to receive comments on the intended deletion of the Site on July 19, 2007, at the Mount Pleasant Junior High School, located at 2801 Old Paris Road, Mount Pleasant, Texas 75455. No comments regarding the proposed deletion were received at the public meeting. The complete public file, including a transcript of the public meeting, may be viewed during regular business hours at the TCEQ Records Management Center, Records Customer Service, Building E, First Floor, 12100 Park 35 Circle, MC-199, Austin, Texas 78753, telephone numbers (800) 633-9363 or (512) 239-2920. Photocopying of file information is subject to payment of a fee.

All inquiries regarding the deletion of the Site should be directed to Ms. Crystal Taylor, Community Relations, telephone numbers 800-633-9363, extension 3844.

TRD-200703607

Mary R. Risner

Director, Litigation Division

Texas Commission on Environmental Quality

Filed: August 14, 2007



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