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II HIS AUTO REPAIR. Page 2 oft <br /> Exposure Type <br /> Residential C Commercial <br /> Free Product <br /> In Groundwater C In Soil C Unknown <br /> TPH in the Bioattenuation Zone <br /> e 100 mgikg (I Unknown Soil samples not taken at two depths within 5 ft,zone(only for Scenario 4 with DioZons) <br /> Bioattenuation Zone Thickness: <br /> C ,5 Feet(No B mZone) (_>_5 Feet and,10 Feet C>10 Feet and,30 Feet ('>_30 Feet C 30ft BmZone Compromised TPH>I 00rnqkkfj Unknown <br /> 02 Data in Bioattenuation Zone: <br /> (_ No 02 Data C 02 o 4% L'02 e 4% <br /> Benzene in Groundwater: <br /> C_100 pg/I and<1,000 pg/I 1,000 Ng/I C Unknown <br /> Soil Gas Benzene <br /> C 85 pglm3 and,280 points C>280 pg/m-ar)d<85,000 pglm3 C>85,000 pgtm3 and<280,000 pg1m3 (­>280,000 pghn3 Unknown <br /> Soil Gas EthylBenzene <br /> >1,100 pglm3and<3,600 pC>3,600 PgIM3 and nd<1,100,000 pg/m3 C 1,100,000 Vg/m3 and<3,600,000 pg/m3 C>_3,600,000 pglm3 Unknown <br /> Soil Gas Naphthalene t <br /> C>-93 pglm3 and<310 Pg/M3 C>_310 pglm3 and<93,000 pgtm' 93,000 pg1meand<310,000 pglm3 r>_310,000 pg/m3 (0 Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-Tho site is considered low-threat for direct contact and outdoor air exposure <br /> if It meets 1,2,Cr 3 below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 feet of soft is free of petroleum contamination C YES NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? YES 0� No <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Exposure Type <br /> C Residential C Commercial C Utility Worker <br /> Petroleum Constituents in Soil <br /> C o 5 Feet bgs C>5 Feet bets and s10 Feet bgs (-Unknown <br /> Soil Concentrations of Benzene <br /> C >1.9 mg/kg armG 2.8 mgikg C>2.8 mgikg ends 8.2 mgikg C ,8,2 rnglkg ands 12 mgikg C >12 mg/kg ands 14 mg/kg C >14 rngtkg (s Unknown <br /> Soil Concentrations of EthylEenzene: <br /> C>21 mg/kg and 5 32 mg/kg C>32 mg/kg ands 89 mg/kg C>89 mgikg ands 134 mglkg C>134 mg/kg and 5 314 mg/let C >314 mgikg Unknown <br /> Soil Concentrations of Naphthalene <br /> C>9.7 mg/kg and<45 mg/kg (_>45 mg/kg ands 219 mg/kg C>219 mg/Ing to Unknown <br /> Soil Concentrations of PAN: <br /> C>0.063 mg/kg and 5 0,68 mg/kg C>0.68 mgikg and 5 4.5 fnglkg C>4.5 mgikg Unknown <br /> Area of Impacted Soil: <br /> C Area of Impacted Sol(>82 by 82 Feet C Unknown <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? YES (I NO <br /> Has this LTCP Checklist been updated for FY 13H4? YES (_ NO <br /> SPELL CHECK <br /> LSave Form as Partially Completed Save Form as Complete <br /> LOGGED IN AS HENDERSONN CONTAgjagg!EaCKERHELP <br /> https://oeotracl,,er.waterboards.ca.,)ov/regulators/sci-ceiis/closure <br /> tl�, Its, _j)o1icy.asp?g1oba1_id=T0... 5/22/2014 <br />