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SAN JOAQUIN COUNTY Page 2 of 2 <br /> 2. Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air - The site is considered /ow-threatfor the vapor-intrusion-to-ampathwayif site- NO <br /> specific conditions satisfy items 2a, 2b, or 2c - cuFAR sECTIGN ANswERs <br /> EXEMPTION - Active Commercial Petroleum Fueling Facility r YES r NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES r NO <br /> ADDITIONAL QUESTIONS - Please Indicate only those conditions that do not meet the policy criteria: <br /> Soil Gas Samples : <br /> C No Soil Gas Samples C Taken mcormcdy <br /> Exposure Type : <br /> r Residential r Commercial <br /> Free Product : <br /> r In Groundwater r In Soil r Unknown <br /> TPH in the Bioattenuation Zone : <br /> r >- 100 mg/kg rUnknown r Soil samples not taken at two depths within 5 ft. zone (only her Scenario 4 with BioZone) <br /> Bioattenuation Zone Thickness : <br /> r < 5 Feet (No BioZone) C' z 5 Feet and < 10 Feel r z 10 Feet and < 30 Feet r >_ 30 Fest Ci 30ft BioZone Compromised TPH > 100mglkg a Unknown <br /> 02 Data in Bioattenuation Zone : <br /> rNo02Data r' Oz < 4% r0zz4% <br /> Benzene in Groundwater : <br /> f z 100 pgh and < 1 ,000 Yell r ' 1,000 pgll r Unknown <br /> Sall Gas Benzene : <br /> ( z 85 pg/ms and < 28D pyms (' z 280 pg/ma and < 85,000 pg/ms r > 85,000 pg/ms and < 280,000 pg/ms C z 280,000 pg/ms r Unknown <br /> Soil Gas EthylBenzene : <br /> r ? 1,100pg/m3and < 3,600pg/m3 r ?3,600pg/m3and < 1 ,1W,W0p9/m3 r' z1 ,100,000pglm3and < 3,WO,WOpg/m3 r' ? 3,600,OWpg/ms rUnknown <br /> Sail Gas Naphthalene : <br /> I" k 93 pg/ma and < 310 pg/ms r' z 310 pg/ms and < 93,WD pg/ma r z 93,000 pg/ms and < 310,000 pg/ma C' z 310,000 pglma r Unknown <br /> 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is considered low-threat for direct contact and outdoorair exposure NO <br /> if it meets 1, 2, or 3 below. - CLEAR SECTION ANSwERS <br /> EXEMPTION - The upper 10 feat of sol is free of petroleum contamination C YES r NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r YES r NO <br /> ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria: <br /> Exposure Type : <br /> C Residential r Commercial r Utility Worker <br /> Petroleum Constituents in Soil : <br /> r <_ S Feet bgs r'. >5 Feel bgs and <10 Feel bgs C Unknown <br /> Soil Concentrations of Benzene : <br /> r > 1.9mg1kgands2.emg/kg (' > 2.8mg/kgantl58.2mg1kg C'f > 8.2mg1kgand < 12mp1kg r > 12mg/kgandsl4mlift r > 14mglkg rUnknown <br /> Sall Concentrations of EthylBenzene : <br /> ('. > 21 mg/kg and 532 mg/kg C > 32 mg/kg and 589 m91kg r > 89 mglkg and <_ 134 mg/kg r > 134 mg/kg and <-314 mg/kg C > 314 mglkg (•' Unknown <br /> Sail Concentrations of Naphthalene : <br /> r > 9.7 mg/kg and < 45 mg/kg r > 45 mg/kg and < 219 mglkg C > 219 mg/kg IF Unknown <br /> Soil Concentrations of PAH : <br /> C > 0.063 mg/kg and < 0,0 mglkg r > 0.68 mg/kg and < 45 mglkg C > 4,5 mg/kg OUnknown <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 criteria? n YES r NO <br /> SPELL CHECK <br /> Save in Progress Save as Final <br /> LOGGED IN AS HENDERGONN CONTACT GEOTRACKER HELP <br /> https ://geotracicer.waterboards.ca.gov/regulators/screens/closure poticy .asp?global id=TIO . . . 8/6/2013 <br />