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WS AUTO REPAIR Page 2 of 2 <br /> C No Soil Gas Samples C Taken Incorrectly <br /> Exposure Type: <br /> (_Residential (­Commercial <br /> Free Product: <br /> C In Groundwater C In Soil C Unknown <br /> TPH in the Bioattenuation Zone; <br /> C z 100 mg/kg (--Unknown C Soil samples not taken at two depths within 5 it,zone(only for Scenario 4 with BioZone) <br /> Bioattenuation Zone Thickness: <br /> C <5 Feet(No BioZone) (­o 5 Feet and<10 Feet C 2:10 Feet and<30 Feet C z 30 Feet C 30ft BioZoms Compromised TPN>100mgikg Unknown <br /> 02 Data in Bioattenuation Zone: <br /> (*-No 02 Data C 02'4% r- 02 e 4% <br /> Benzene in Groundwater: <br /> C z 100 pq/I and<1,000 pg/I r z 1,000 NglI C Unknown <br /> Soil Gas Benzene <br /> (_>_85 pglm3 and<280 pg/m3 C z 280 pg/M3 and o 85,000 pWM3 85,000 pgkp3 and<260,000 pg/m3 (_ >_280,000 pg/m3 (*-Unknown <br /> Soil Gas EthylBenzene: <br /> (­?1,100 pg/M3 and,3,600 pg/m3 r_>3,600 pglm3 and-1,100, pgee3 1,100,000 pgIm3 and<3,600,000 pglm3 p'>_3,600,000 pg/m3 Unknown <br /> Soil Gas Naphthalene: <br /> C>93 pglm3 and<310 pg/m3 C z 310 pg1m3 and,93 ' C 2,)3 000 pg/m3 and<310,000 pg/M3 (->310,000 pg/m3 C' Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor AW EApprowas• -,',a sitars considered low-threat for direct contact and outdoor air exposure FNO <br /> ifitmeets 1,2,or below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 feet of soil is free of petroleum contamination YES C- NO <br /> Does the site meet any of the Direct Contact and Outdoor AN,F ww"we,-vitwos wanarices? YES (-- N0 <br /> ADDITIONAL QUESTIONS-Please indicate only those cthe policy criteria: <br /> Exposure Type: <br /> C Residential ('Commercial C Utility Worker <br /> Petroleum Constituents in Soil: <br /> C 5 5 Feet bgs C >5 Feet bgs and s10 Feet bgs <br /> Soil Concentrations of Benzene: <br /> >1.9 mg/kg and vz 2.8 mg/kg C >2.8 mg/kg and c k -,j and o 12 mgtkg (_>12 mg/kg ands 14 mg/kg C>14 mglkg C- Unknown <br /> Soil Concentrations of Ethyl Benzene: <br /> C >21 mg/kg and s 32 mg/kg >32 mglkg and 5 84 d s 134 mglkg C >134 mg/kg ands 314 mglkg C>314 rng1kg Unknown <br /> Soil Concentrations of Naphthalene <br /> C,9.7 mg/kg and 5 45 mg/kg C>45 mg/kg and!,21- q C Unknown <br /> Soil Concentrations of PAH <br /> >0.063 mg/kg and s 0,68 mg/kg C >0.68 mg/kg or mg/kg Unknown <br /> Area of Impacted Soil <br /> C Area of Impacted Soil,82 by 82 Feet C Unknown <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy Crite, YES ES ('--]NO <br /> SPELL CHECK <br /> Save as Fin.. <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T06... <br />