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U.S. EPA BEGINS CLEANUP AT SELMA SUPERFUND SITE

 SAN FRANCISCO, Feb. 3 /PRNewswire/ -- The U.S. Environmental Protection Agency (U.S. EPA) today announced that construction activities have begun for the cleanup of contaminated soil and groundwater at the Selma Pressure Treating Co. (SPT) Superfund site, Selma, Calif.
 "Beginning the excavation at this site is an important step in getting the cleanup underway," said Jeff Zelikson, U.S. EPA's regional hazardous waste management division director. "U.S. EPA is committed to cleaning up Superfund sites; taking these actions in Selma to protect the health and environment of the community represents another step toward resolving the problems left by a legacy of improper hazardous waste disposal practices."
 Soil at the 18-acre wood treating facility is contaminated by arsenic, chromium, copper, pentachlorophenol, and dioxin-furans. Groundwater is contaminated by chromium. The site includes an existing wood-treatment facility and 14 acres of adjacent vineyards that were used for site-related drainage. Treatment of lumber products has been ongoing at the SPT site since 1942.
 Soil from contaminated areas will be excavated and treated with a fixative agent to solidify and stabilize the soil. The treated soil will then be covered by an impermeable clay cap to prevent surface water from entering the soil. Cleanup of the soil will begin shortly and is expected to end approximately in October.
 In approximately six months, U.S. EPA will begin construction for cleaning up the chromium-contaminated groundwater. Extraction wells will be installed to pump out contaminated groundwater and pipe it to an on-site treatment plant. The treated water will be reinjected into groundwater in the vicinity of the site and groundwater will be monitored to measure the effectiveness of the remedy.
 Some of the extraction wells and piping for the extraction/reinjection system will be located on neighboring properties southwest of the site because the contaminated groundwater has migrated. The landowners affected by the cleanup have been contacted.
 The cleanup activities pose no unusual health or safety dangers to the neighbors or the community; the agency is committed to minimizing the impact of the construction. The cleanup will take approximately 10 months for the soil treatment and five to 10 years for the groundwater treatment at a total estimated cost of $13 million.
 The SPT site was placed on the U.S. EPA National Priorities List (NPL) in 1983. The NPL is U.S. EPA's list of hazardous waste sites potentially posing the greatest long-term threat to public health and the environment. U.S. EPA identifies and ranks NPL sites according to threats to nearby populations through actual or potential contamination of groundwater, surface water or air.
 -0- 2/3/93
 /CONTACT: Paula Bruin of U.S. EPA, 415-744-1587/


CO: U.S. Environmental Protection Agency; Selma Pressure Treating Co. ST: California IN: SU:

TM -- SF006 -- 2504 02/03/93 14:38 EST
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Publication:PR Newswire
Date:Feb 3, 1993
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