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BP#172 (THRIFTY) Page 2 of 2 <br /> T •..., <br /> Exposure Type: <br /> C Residential Commercial <br /> Free Product: <br /> r In Groundwater r In Soil r Unknown <br /> TPH in the Bioattenuation Zone: <br /> C a 100 mg/kg r Unknown r Soil 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) t' >_5 Feet and<10 Feet r s 10 Feet and<30 Feet r >_30 Feet r 30ft BioZone Compromised TPH>100mg/kg r Unknown <br /> 02 Data in Bioattenuation Zone: <br /> G No02Data r 02<4% r 02>_4% <br /> Benzene in Groundwater: <br /> C z 100 pg/I and,1 000 pg/I r' >1,000 pg/I r Unknown <br /> Soil Gas Benzene: <br /> r z 85 pg/m3 and<280 pg/m3 r>280 pg/m3 and<85,000 pglm3 r >_85,000 pg/m3 and<280,000 pg/m3 r>_280,000 pg/m3 I: Unknown <br /> Sal Gas EthylBenzene <br /> C >_1,100 pg/m3 and<3.600 pg/m3 r?3,600 pg/m3 and<1,100,000 pg/m3 r a 1.100,000 p9/m3 and<3,600,000 pg/m3 r>_3,600,000 pg/m3 t' Unknown <br /> Soil Gas Naphthalene: <br /> C s 93 pg/m3 and<310 pgfm3 r>_310 pg/m3 and<93,000 pg/m3 r z 93,000 pg/m3 and<310,000 pg/m3 r a 310,000 pgfm3 f'Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure YES <br /> ifit meets 1,2,or 3 below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 feet of soil Is free of petroleum contamination C" YES /' NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? f' YES r NO <br /> 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following table(LINK)for the specified depth G YES r NO <br /> below ground surface. <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? r YES N0 <br /> Has this LTCP Checklist been updated for FY 13/14? f' YES r NO <br /> SPELL CHECK <br /> Save Form as Partially Completed Save Form as Complete <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKER H a <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global id=T06... 5/9/2014 <br />