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- <br /> Draft Environmental Impact Report Page IV.E-13 <br /> Forward Inc. Landfill Expansion Project <br /> an increase in the carcinogenicrir skk. is 9.70x10 6 for projecthe risk in the hypothetical receptor. The c m greater <br /> than 10-5. The increase in can the max <br /> cancer risk for the project scenario in ancer rs 3.14x1O'5 at ack s 3 9 x0 and the totaltcancer risk isly <br /> exposed occupied receptor,the increase <br /> 2.39x10-5. Most of the increased cancer risk is due to the increased diesel particulate emissions <br /> from haul vehicles. <br /> The SCS Risk Assessment calculated non carcinogenicrisk for the expanded Project as <br /> conditions and the Project scenario was <br /> insignificant. A total hazard Indices (HI) for the cu <br /> enic human health hazard for the <br /> calculated to be less than 1.0; therefore, he non-ccinotired to all rele ant regula to <br /> s andards, <br /> Project off-site populations is acceptable, s nom p <br /> Although this impact is considered Iasdsthan significant, in a a adjacent to the landfill bounQdarypsutchtexp sure could <br /> , absent any <br /> restrictions on property use directly ) <br /> prove a significant health risk if persons hd inotheng td scussfoln of Impact El boundary. <br /> aapplicant has agreed to incorporate e conditions deta <br /> above, critical to reducing the impacts on human hereforealth risks as part of the project considered part of the project, less than <br /> significant levels. These commitments are <br /> The following procedures also are proposed as part of the project: <br /> • Aeration and Treatment of Chlorinated Hydro-carbon Contaminated Soils: For <br /> LIU <br /> chlorinated hydrocarbon-contaminated soils,the on-site treatment of contaminated soils <br /> by aeration will be managed so as to minimize exposure to on-site employees as well as <br /> off-site residents. Volumes of soils received, time of storage, and/or the types of <br /> contaminants and levels of contamination present will all be limited to assure exposure <br /> risks are no greater than 106(no greater risk than one excess cancer in 1,000,000). The <br /> following limitations apply: <br /> Acreage of Chlorinated Hydrocarbon-Contaminated Soil Treatment-0.5 acres <br /> Concentration of Contaminants in mg/kg: <br /> Compounds <br /> Volatile Organic Com p <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 10-1 <br /> 1,1,1 Trichloroethane-1.0 x 101 <br /> Methylene Chloride-1.0 <br /> PAHs (carcino§enic)-7.5 x 101 <br /> PCBs-1.0x10 <br /> PCDD 1 Fs-3.0 x 105 <br /> Cresol-4.0 x 103 <br />