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Notes and Key to Symbols and Abbreviations: <br /> Notes: --Analytes in italics are"Tentatively Identified Compounds". <br /> --Lead agency and the cleanup goal proposed per each individual row of this table. <br /> --Much of the low concentrations of inorganics(metals)present in the soil and groundwater are believed to be associated with naturally occurring background <br /> concentrations. However,proposed cleanup goals were still assigned for consistency in this table. <br /> —If necessary,the applicable regulatory agency(ies)can accept the industrial PRGs,where proposed,conditional that said property not be developed for residential use. <br /> Said condition could be enforced by the City of Manteca Development Department if any zoning changes were to be applied for. Atherton Kirk Development <br /> would also consider a written agreement,documenting said property use restrictions. <br /> STLC =Soluble Threshold Limit Concentration Regulated Level as expressed in 22CCR§66261.24 <br /> TTLC =Total Threshold Limit Concentration Regulated Level as expressed in 22CCR§66261.24 <br /> USEPA =United States Environmental Protection Agency <br /> TOT =Taste and Odor Threshold <br /> IRIS =Integrated Risk Information System Reference Dose as a Water Quality Criterion <br /> SNARL =Suggested No-Adverse-Response Level for toxicity other than cancer risk <br /> nc =non-carcinogen <br /> ca =carcinogen <br /> max =ceiling limit <br /> SSL =Soil Screening Level <br /> DAF-# =Dillution Attenuation Factor(and multiplier) <br /> AST =Above Ground Storage Tank <br /> UST =Underground Storage Tank <br /> TPH =Total Petroleum Hydrocarbons <br /> UEH =Unidentified Extractable Hydrocarbons <br /> DWHA =Health advisory for Drinking Water(U.S.E.P.A.#822-R-96-001,February 1996) <br /> PRG-r =Preliminary Remediation Goal for a residential property(U.S.E.P.A.Region D{,6/1/96) <br /> PRG-i =Preliminary Remediation Goal for a industrial property(U.S.E.P.A.Region M 6/1/96) <br /> PRG-tw =Preliminary Remediation Goal for tap water(U.S.E.P.A.Region M 6/1/96) <br /> 20-3978-01W35/20171,308 Page No.62 of 66 <br /> 0 1997,Kleinfelder,Inc. August 8, 1997 <br />