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such as notification to current and future landowners regarding risks of installing production <br /> wells shall be implemented as part of the local well permitting process. <br /> j. 40(E.9) <br /> Proposed as Part of the Project: <br /> The applicant has agreed to Incorporate the conditions detailed in the discussion of impact <br /> E.1,above. <br /> Aeration and Treatment of Chlorinated Hydro-carbon Contaminated Soils: For chlorinated <br /> hydrocarbon-contaminated soils,the on-site treatment of contaminated soils by aeration will <br /> be managed so as to minimize exposure to on-site employees as well as off-site residents. <br /> • Volumes of solls-mcelved,time of storage,and/or the types of contaminants and levels of <br /> contamination present will all be limited to assure exposure risks are no greater than 10-6. <br /> The following limitations apply: <br /> Acreage of Chlorinated Hydrocarbon-Contaminated Soil Treatment—0.5 acres <br /> Concentration of Contaminants in mg/kg: <br /> Volatile Organic Compounds <br /> Benzene—5.0 x 10-1 <br /> Toluene—6.9 x 10-1 <br /> Ethyibenzene—9.9 x 102 <br /> Xylene—1.3 x 104 <br /> Chlorinated Hydrocarbons <br /> Trichloroethylene—1.0 <br /> Perchlorosthylene--1.0 x 101 <br /> 1,2 Dichtaraethane—2.0 x 10-1 <br /> 1,1 Dichloroethane—1.0 x 10-2 <br /> 1,1,1 Trichloroethane—1.0 x 101 <br /> Methylene Chloride—1.0 <br /> PAHs(carcinogenlc)—7.5 x 101 <br /> PCBs—1.0 x 101 <br /> PCDD/Fs—3.0 x 10-5 <br /> Cresol—4.0 x 103 <br /> Metals <br /> Arsenic—5.0 x 101 <br /> Beryllium—7.5 <br /> Cadmium—1.0 x 101 <br /> Chromium III—4.0 x 102 <br /> Copper-22 x 102 <br /> Lead-5.0x101 <br /> Mercury—2.0 <br /> Nickel--2.0 x 102 <br /> Zinc-9.2x`101 <br /> To mange both on-and off-site impacts due to the on side aeration or treatment of <br /> contaminated salts,the concentration of chlorinated hydrocarbons in the soil will be restricted <br /> to lower levels than those assumed in the health risk assessment contained in the Forward <br /> • Final EIR(1993). <br /> San Joaquin County UP-00-7,ER 00-21Forward,Inc. <br /> Community Development Page 10 <br />