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STATE OF CALIFORNIA GEORGE DEUKMEJIAN.Governor <br /> CA4,-[FORNIA REGIONAL WATER MALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROADS <br /> SACRAMENTO,CA 95827-3098 <br /> JUN 2 0 1988 <br /> 17 June 1988 ENVIROMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Mr. Rick Vidas Mr. Dan Shafer <br /> Forward Inc. Seta Associates " <br /> P.O. Box 6336 2068 Lincoln Avenue <br /> Stockton, CA 95206 San Jose, CA 95125 <br /> LAND TREATMENT OF CONTAMINATED SOIL FRON CAMPBELL CHAIN FACILITY <br /> This letter is to confirm our telephone conversations of 15 June 1988 regarding <br /> treatment levels for contaminated soils from the Campbell Chain facility <br /> currently being treated in Forward's Class II land treatment unit. Sails which <br /> have the following contaminants at concentrations less than the treatment levels <br /> given below and meet all other applicable specifications contained in Forward's <br /> waste discharge requirements ( DRs) may be used in the foundation layer of the <br /> final cover for waste management unit " The constituents and treatment <br /> levels are as follows: <br /> Constituent Treatment Level (mg/kg) <br /> . Tetrachloroethylene (PCE) 0.4 <br /> Trichloroethylene (TCE) 0.5 <br /> cis-1,2Dichloroethylene -- 1.6 <br /> If you have, any questions, please call me at (916) 361-5732. <br /> STEVE E. ROSENBAU <br /> Engineering Geologist <br /> SER:sg <br /> cc: r. Alan Biederman, San Joaquin County Environmental Health, Stockton <br /> Ms. Carolyn Richardson, California Farm Bureau Federation, Sacramento <br /> Mr. Dan Maglionico, EBA Associates, Orangevale <br />