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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 soils received, 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 />Ethylbenzene — 9.9 x 102 <br />Xylene —1.3 x 104 <br />Chlorinated Hydrocarbons <br />Trichloroethylene — 1.0 <br />Perchloroethylene - 1.0 x 101 <br />1,2 Dichloroethane — 2.0 x 10-1 <br />1,1 Dichloroethane — 1.0 x 10-2 <br />1,11 Trichloroethane — 1.0 x 101 <br />Methylene Chloride — 1.0 <br />PAHs (carcinogenic) — 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 - 2.2 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-site aeration or treatment of <br />contaminated soils, 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-00-2rForward, Inc. <br />Community Development Page 10 <br />