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SAN JOAQUIN COUNTY Page 2 of 2 <br /> I I <br /> 2. Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air - The site is consideredlow-threat for the vapor-intrusion-to-air pathway if site- NO <br /> specific conditions satisfy Items 2a, 2b, or 2c - CLEAR SECTION 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 s enarlos? r YES C 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 Incorrectly <br /> Exposure Type : <br /> C Residential rCommercial <br /> Free Product : <br /> C In Groundwater r In Soil C Unknown <br /> TPH in the Bioattenuation Zone : <br /> C >_ 100 mg/kg C Unknown C Soil samples not taken at two depths within 5 fl. zone (only for Scenario 4 with Blazers) <br /> Bioattenuation Zone Thickness : <br /> C < 5 Feel (No BioZone) C > 5 Feet and < 10 Feel C > 10 Feet and < 30 Feet C z 30 Feet C 30ft BioZone Compromised TPH > 100mg/kg r Unknown <br /> 02 Data in Bioattenuation Zone : <br /> C' No 0, Data r0z < 4% r' 02z4% <br /> Benzene in Groundwater : <br /> C > 100 pg/1 and < 1 ,000 pg/l r z 1 ,000 N9/1 r Unknown <br /> Soil Gas Benzene : <br /> r' > 85 pglm3 and < 280 pg/m3 C z 280 1 and < 85,0W pgIM3 r > 85,000 N9Im3 and < 280,000 pg/m3 r > 280,000 pg/m3 C Unknown <br /> Soil Gas Ethyleenzene : <br /> rz1 ,100pg/m3and < 3,600pg/m3 r > 3,600pg/m3and < 1,100000pg/m3 Cz1 ,100,000pg/m3and < 3,600,000pgIM3 Ca3,600,000pgIM3 C' Unknown <br /> Soil Gas Naphthalene : <br /> C z 93 pg/ma and < 310 pg/m3 r' z 310 pg/m3 and < 934000 pg/m3 r > 933000 pglm3 and < 310,000 pg/m3 C > 310,000 pg/m3 C Unknown <br /> 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is Considered low-threat fordtrect contact and outdoor air exposure NO <br /> if it meets 1, 2, or 3 below. - CLEAR SECTION ANSWERS <br /> EXEMPTION - The upper 10 feet of soil is free of petroleum contamination C YES r NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteda 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 C Utility Worker <br /> Petroleum Constituents In Soil : <br /> C' s 5 Feet bgs C >5 Feet bgs and <10 Feet bgs r Unknown <br /> Soil Concentrations of Benzene : <br /> C > 1 .9 mg/kg and 52.8 mglkg C > 2.8 mglkg and s 8.2 mglkg C > 8.2 mg/kg and < 12 mglkg r > 12 mg/kg and 514 mg/kg r > 14 mglkg CUnknown <br /> Soil Concentrations of EthylBenzene : <br /> C > 21 mglkg and 532 mg/kg C > 32 mg/kg and 589 mglkg r > 89 mglkg and s_ 134 mg/kg r > 134 mglkg and _ 314 mg/kg C > 314 mg/kg CUnknown <br /> Soil Concentrations of Naphthalene : <br /> r > 9.7mg/kgand < 45mg/kg r' > 45mglkg and s219milft C > 219mg/kg rUnknown <br /> Soil Concentrations of PAH : <br /> r > 0.W3 mglyy and 5 0,68 mg/kg C > 0S8 mglkg and <_ 4.5 mglkg r > 4.5 mg/kg C Unknown <br /> Area of Impacted Soli : <br /> C Area of Impacted Soil > 82 by 82 Feet r Unknown <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? C YES r' NO <br /> SPELL CHECK <br /> Save in Progress Save as Final <br /> LOGGED IN AS HENDERSONN CONTACT GEOTRACKEIR HELP <br /> https :Hgeotracker.waterboards.ca.gov/regulators/screens/closure policy.asp?global id—T10 . 1 . 8/6/2013 <br />