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Tier 1 Environmental Screening Levels Surfer _ <br /> ic Environmental Concerns) SF' <br /> BR <br /> WQCB(Screenin Levels For S ecif - M <br /> Surfer Version: <br /> TPH (gasolines) Oc'tober 2005 <br /> ia <br /> erres r , <br /> Ls Exceeded )W .. ,._ <br /> C: Indoor Ails. <br /> EcologicaVapor Emissions <br /> ES <br /> Further evaluation of identified $ = ., <br /> Impacts "(ug/m ) To ndoorAir., <br /> concerns recommended. <br /> - 3.6E+0te- (LJse soil gas) <br /> Gross Human X Direct <br /> X Contamiriation Health,. *Exposure; <br /> 5.0E+02 Im acts .gymJ 7.5E+02 <br /> ... <br /> W MW Soil9) G <br /> 9( /km So�I S u a , <br /> , ( 9/m..)AA - <br /> Input Site Concentration u: Lowest Soil ESL.'IA+02 - 7 2 E+04 <br /> Soil(mg/kg):a 3300 )( Leaching <br /> 1:0E+02 I' <br /> u.. <br /> .... ............................... .... .... ... <br /> wwo <br /> ;Impacts to r. aG ndwater(ug/L) Valor Emgs ions R <br /> Aquatic Habitats - To ndoor <br /> S _ A <br /> (Use Soil <br /> .QE+02 gas) <br /> Gross man : Wrinld g ater <br /> e <br /> ftc� `0E+02 n _- Hea1tl� (toxicity) <br /> 1"..- <br /> Impacts_ <br /> on amina a <br /> Reference: <br /> Screening For Environmental Concerns at Sites With Contaminated Soil and <br /> Groundwater (February 2005), San Francisco Bay Regional Water Quality Control <br /> Board, California EPA,http://www.waterboards.ca.gov/sanfranciscobay/csl.btm <br /> Site Scenarios: Site scenario options based on scenarios used to develop ESL lookup tables. <br /> See also attached Tier.TESL Surfer Report, Glossary and Chemical Summary. i <br /> i <br /> IE <br /> 4 <br /> i <br /> i <br /> Tier 1 ESL'Surfer <br /> Version: October 2005 ESL Surfer-Detailed ESLs <br /> l <br /> 1 <br />