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UNIQUE LOCKHEED TRUCLEAN SOIL REMEDIATION PROCESS SELECTED FOR CLEAN-UP OF CHINA LAKE SITE

 UNIQUE LOCKHEED TRUCLEAN SOIL REMEDIATION PROCESS
 SELECTED FOR CLEAN-UP OF CHINA LAKE SITE
 LAS VEGAS, Dec. 16 /PRNewswire/ -- AWC, a Lockheed (NYSE: LK) company, has been awarded a $4-million contract by Alliant Techsystems, Brooklyn Park, Minn., to remediate soil contaminated with depleted uranium at a gun range at the Naval Weapons Center in China Lake, Calif.
 Alliant Techsystems has developed and tested depleted-uranium ordnance at the range for about the past 10 years.
 AWC President Troy Wade said the contract award follows a successful demonstration of the TRUclean system at the China Lake site this past summer. Wade called the contract a "significant breakthrough" in Lockheed's initiative to apply new technologies to help produce innovative, safe and cost-effective solutions for America's environmental problems.
 According to Wade, there are about 25,000 pounds of depleted uranium in various forms and sizes scattered on the five-acre China Lake site. With conventional clean-up methods, all of the approximately 5,000 cubic yards of soil contaminated with this material would have to be dug up and disposed of.
 "In our demonstration, we were able to reduce the volume of contaminated soil by 80 percent, which means the clean-up costs using TRUclean are about one-half of the expense using conventional methods," he said.
 The TRUclean system is tailored for each specific site and is based on technologies from mineral processing and inorganic physical separations. Three basic principles are exploited: 1) selective particle size fractionation; 2) gravimetric separation, and 3) chemical separation.
 TRUclean was first tested in a non-laboratory setting in connection with a Defense Nuclear Agency pilot project on Johnston Atoll in the South Pacific in late 1985. Johnston Atoll was contaminated from weapons testing in the 1960s. Plutonium-239 was successfully removed from the native coral soils, achieving a 95 percent volume reduction. The first production-sized TRUclean system was assembled on Johnston Atoll in late 1988.
 AWC, based in Las Vegas, is a wholly owned subsidiary of Lockheed Engineering & Sciences Co. (LESC). Also in Las Vegas, LESC provides the Environmental Protection Agency with scientific and technical support under two five-year contracts awarded in 1990.
 In addition, a new Lockheed analytical laboratory in Las Vegas serves the growing needs of industry and government in the areas of environmental monitoring and compliance. LESC also was recently selected by the EPA to provide technical and management support to four EPA regions in the East and Midwest.
 Headquartered in Houston, Lockheed Engineering & Sciences Co. provides a broad range of high technology support services in engineering, the sciences, data processing and test and evaluation to the EPA, the National Aeronautics and Space Administration, and other government agencies. LESC employs more than 5,300 people nationwide.
 -0- 12/16/91
 /CONTACT: Ron Meder of Lockheed, 713-283-4508/
 (LK) CO: AWC; Lockheed ST: Nevada IN: ARO SU: CON


SD -- LA011 -- 2605 12/16/91 15:08 EST
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Publication:PR Newswire
Date:Dec 16, 1991
Words:474
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