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1-1/S AUTO REPAIR Page 2 of 2 <br /> r <br /> C z 100 mglkg C Unknown C Sol samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) <br /> Bioattenuation Zone Thickness: <br /> C<5 Feet(No BioZone) C z 5 Feet and<10 Feet C z 10 Feet and<30 Feet C z 30 Feet C 34ft BioZone Compromised TPH>100mg1kg C Unknown <br /> 02 Data in Bioattenuation Zone: <br /> C No 02 Data CO 2<4l { 02 z 4! <br /> Benzene in Groundwater: <br /> C z 100 pgfl and<1,000 pgll r z 1,000 pgll C Unknown <br /> Soil Gas Benzene: <br /> C z 85 p9/m3 and<280 p9fm3 C z 280 pg/m3 and<85,000 pglm3 C z 85,000 pg/m3 and<280,000 pg1m3 C Zr.280,000 pg#m3 C Unknown <br /> Soil Gas EthyiBenzene: <br /> C z 1,100 pglm3 and<3,600 pg/m3 C z 3,600 pg/M3 and<1,100,000 pgtm3 C z 1,100,000 pg/m3 and<3,600,000 pg/m3 C z 3,600,000 pg/m3 C Unknown <br /> Soil Gas Naphthalene: <br /> C z 93 pg/m3 and<310 pgfm3 C z 310 pg/m3 and<93,000 pglm3 C z 93,000 pgfm3 and<310,000 pg/m3 C z 310,000 pg/m3 C Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The sitars considered low-threat for direct contact and outdoor air exposure NC, <br /> if it meets 1,2,or 3 below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 Peet of soil is tree of petroleum contamination C YES to NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r YES N0 <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 s 5 Feet bgs C>5 Feet bgs and<10 Feet bgs C Unknown <br /> $sit Concentrations of Benzene: <br /> C>1.9 mg/kg and s 2.8 mgfkg C>2.8 mgfkg and<8.2 mgtkg C>8.2 mg/kg and s 12 mg/kg C>12 mglkg and s 14 mg/kg C>14 mglkg C Unknown <br /> Soil Concentrations of EthyiBenzene: <br /> C>21 mg/kg and s 32 mgikg C>32 mglkg and s 89 mg/kg C>89 mglkg and s 134 mg/kg C>134 mglkg ends 314 mgikg C>314 mg/kg C Unknown <br /> Soil Concentrations of Naphthalene: <br /> C>9.7 mg/kg and s 45 mglkg C>45 mgfkg ands 219 mgfkg C >219 mglkg C Unknown <br /> Soil Concentrations of PAH: <br /> C>0.063 mg/kg and<0,68 mg/kg C>0.68 mg/kg and s 4.5 mg/kg C>4.5 mg/kg C Unknown <br /> Area of Impacted Soil: <br /> C Area of Impacted Soil>82 by 82 Feet C Unknown <br /> Add itiana I Information <br /> Should this case be closed in spite of NOT meeting policy criteria? C YES N0 <br /> SPELL_CHECK <br /> Save in Progress Save as Final <br /> LOGGED IN A$HENDERSONN CONTACT GEOTRACKER HELP <br /> i <br /> https://geotracker.waterboards.ca.gov/ egulators/screens/closure_policy.asp?global_id=T06... 7/112013 <br />