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CITY OF STOCKTON REDF"ELOPMENT AGENCY Page 2 of 2 <br /> 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor-intrusion-to-air pathway if site NO <br /> specific conditions satisfy items 2a,2b,or 2c-Cl EAR SECTION ANSWERS <br /> EXEMPTION-Active Commercial Petroleum Fueling Facility r YES G NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES f' NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Soil Gas Samples: <br /> C No Sal Gas Samples r Taken Incorrectly <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 t 100 mg/kg F Unknown r Soil samples not taken at two depths within 5 ft zone(only for Scenario 4 with BioZone) <br /> Bioattenuation Zone Thickness: <br /> r<5 Feet(No BioZone) f">_5 Feet and<10 Feet f->_10 Feet and<30 Feet r?30 Feet r 30R BioZone Compromised TPH>1O0mglkg f'Unknown <br /> 02 Data in Bioattenuation Zone: <br /> f'No 02 Data r Oz<4% r 02 2:4% <br /> Benzene in Groundwater: <br /> r?100 pgA and<1,000 pg/l 1'z 1,000 pgA r Unknown <br /> Soil Gas Benzene: <br /> C t 85 pg/m3 and<280 pg/m3 r i 280 pg/m3 and<85,000 pg/m3 r>>85,000 pg/m3 and<280,000 pg/m3 r z 280,000 pg/m3 F Unknown <br /> Soil Gas EthylBenzene: <br /> r z 1,100 pg/m3 and<3,600 pg/m3 r s 3,600 pg/m3 and<1,100,000 pg/m3 r t 1,100,000 pg/m3 and<3,600,000 pg/m3 r 2:3,600,000 pg/m3 f'Unknown <br /> Soil Gas Naphthalene: <br /> r z 93 pg/m3 and<310 pg/m3 r z 310 pg/m3 and<93,000 pg/m3 r 2:93,000 pg/m3 and<310,000 pg/m3 r z 310,000 pg/m3 f'Unknown <br /> 3.MediaSpecific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct 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 r YES r NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r YES 0 NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Exposure Type: <br /> r Residential C-Commercial r Utility Worker <br /> Petroleum Constituents in Soil: <br /> r 5 5 Feet bgs r>5 Feet bgs and 510 Feet bgs f'Unknown <br /> Soil Concentrations of Benzene: <br /> r>1.9 mg/kg and 5 2.8 mgfkg l'>2.8 mg/kg ands 8.2 mg/kg r>8.2 mg/kg and15 12 mg/kg r>12 mg/kg and:5 14 mg/kg r>14 mg/kg G Unknown <br /> Soil Concentrations of EthylBenzene: <br /> r>21 mg/kg and:5 32 mg/kg r>32 mg/kg and:5 89 mg/kg r>89 mg/kg and 5 134 mg/kg C>134 mg/kg and 314 mg/kg C'>314 mg/kg r Unknown <br /> Soil Concentrations of Naphthalene: <br /> r>9.7 mg/kg and 5 45 mg/kg C>45 mg/kg and 5 219 mg/kg l->219 mg/kg G Unknown <br /> Soil Concentrations of PAH: <br /> r>0.063 mg/kg and 5 0,68 mg/kg r>0.68 mg/kg and<4.5 mg/kg r'>4.5 mg/kg f'Unknown <br /> Area of Impacted Soil: <br /> I-Area of Impacted Soil>82 by 82 Feet t:Unknown <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? l- YES G NO <br /> Has this LTCP Checklist been updated for FY 14/15? r YES l' NO <br /> SPELLCHECK <br /> Save Form as Partially Completed <br /> LOGGED IN AS GAGONZALEZ CONTACT GEOTRACILR HELP <br /> https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 12/9/2014 <br />