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U.S. EPA ORDERS CLEANUP AT WESTERN PACIFIC SUPERFUND SITE

 SAN FRANCISCO, Aug. 30 /PRNewswire/ -- The U.S. Environmental Protection Agency (U.S. EPA) today announced the Union Pacific Railroad Co. has agreed under a consent order to clean up contaminated groundwater at the Western Pacific Railroad Superfund site, Oroville, Calif. Union Pacific Co. (NYSE: UNP) has owned the former railroad yard since 1983.
 "Cleaning up this site is necessary to protect the public health and the environment," said Jeff Zelikson, director for U.S. EPA's hazardous waste management division. "This order provides Union Pacific Co. with the specific criteria for performing the cleanup."
 Union Pacific Co. will design, construct and operate a system to extract and treat a small plume of groundwater contaminated with volatile organic compounds (VOCs). Extracted groundwater will be treated using a granular activated carbon system. The cleanup action should take about one year to complete. The contaminated soil is being investigated; cleanup decisions will be made at a later date.
 In 1989, under an order of the Central Valley Regional Water Quality Control Board, Union Pacific removed liquid and sludge from a waste disposal pond and also removed a leaking underground storage tank from the site.
 Western Pacific Railroad Co. operated the 90-acre rail car servicing yard from approximately 1920 to 1983. Fueling, repairing, servicing and cleaning rail cars at a roundhouse on the site resulted in soil and groundwater contamination by waste solvents, oils, grease, and waste waters containing heavy metals.
 Western Pacific was placed on U.S. EPA's National Priorities List in 1990. 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- 8/30/93
 /CONTACT: Paula Bruin of U.S. EPA, 415-744-1587/
 (UNP)


CO: U.S. Environmental Protection Agency; Union Pacific Railroad Co.;
 Union Pacific Co. ST: California IN: ENV SU: EXE


TM -- SF010 -- 7146 08/30/93 14:43 EDT
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Publication:PR Newswire
Date:Aug 30, 1993
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