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TOP FILLING STATION • . Page 2 of 2 r 5 250 Feet r1250 Feet and s 1,000 Feat r Unknown 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered law-threat for the vapor-intrusion-toair pathway if site- specific conditions safisfyitems 2a,2b,or2c-OsARs nm ANsy Ra NO EXEMPTION-Active Commercial Petroleum Fueling Facility r YES r NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES r NO ADDITIONAL QUESTIONS-Please Indicate only those conditions that do not meet the policy criteria: Soil Gas Samples: C No Soil Gas Samples C Taken Incorrectly Exposure Type: r Residential r'Commercial Free Product: r In Groundwater r In Soil r Unknown TPH In the Sloaftenuation Zone: r z 100 mg/kg r Unknown r'Soil samples not taken at two depths within 5 8.zone(only for Scenario 4 with BioZone) Bioaftenuadon Zone Thickness: r<5 Fact(No BioZone) 1"z 5 Fast and<10 Feet C z 10 Feet and<30 Feet r z 30 Feet r 3011 BioZone Compromised TPH>1 ODmgtkg Is Unknown 02 Data in Bioanenuation Zone: (aNo02Data r02<4% 1"0224% Benzene in Groundwater: r z 100 pgtl and<1,000 pgA to z 1,000 pga r Unknown SWI Gas Benzene: r z 85 pg1m2 and<280 pg/ms r z 280 IWms and<85,000 pgtms C z 85,000 pgtm2 and<280,000 pgtms r z 280,000 pgtms Is Unknown Soil Gas EthylBenzene: rz1,100pg/msand<3,600pgtms r1,3,600pgtmsand<1,100,000pgtms r41,100,000pg/msand<3,600,000pgrm3 rz3,600,000pgtms /Unknown Soil Gas Naphthalene: r z 93 pg ms and<310 pgtms r z 310 pg/ms end<93,000 pgkns r z 93,000 pg/ms and<310,000 p9tme r z 310,000 pgfm3 r Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threatfor direct contact and outdooreirexposurs /fit meets 1,2,or 3 below-cLEAR a OnON ANsetais NO EXEMPTION-The upper 10 feet of soil is free of petroleum contamination r VES is NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r YES r' NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Exposure Type: C Residential r Commercial r Utility Worker Petroleum Constituents In Soil: C 5 5 Fact bgs Is>5 Feet bgs and 510 Feet one r Unknown Soil Concentrations a Benzene: r>1.9 mWkg and 5 2.8 mgtkg r>2.8 mglkg and 5 8.2 mg/kg r>8.2 mg/kg and s 12 mg/kg r>12 mglkg and 514 mgikg r 114 mglkg Is Unknown SWI Concentrations of EthylBenzene: r>21 mg/kg and 5 32 mglkg r>32 mg/kg and 589 mg/kg r>89 mg/kg and 5134 mg/kg r>134 mgtkg and 5 314 mglkg C>314 mg/kg r Unknown Soil Concentrations of Naphthalene: C>9.7 mg/kg and 5 45 mg/kg r>45 mg/kg and 5 219 mg/kg r'>219 mgtkg r Unknown SWI Concentrations of PAH: r>0.053 mg/kg and 5 0,68 mglkg r 10.68 mg/kg and 54.5 mg/kg C>4.5 mg/kg r Unknown Area of Impacted Soil: r Area W Impacted Soil>82 by 82 Feel r Unknown r nal Infotmatlon his case be closed in spite of NOT meeting policy criteria? O YES r NO Additional Checklist been updated for FY 13/14? r YES r NO SPELL GHEGK Save Form as Partial/ ComIeted Save Form as Complete LOGGED IN As HENDERSONN ONTA T GEOTRACKER HIS P https://geotracker.waterboards.ca.gov/regulators/screens/closure—Policy.asp?global_id=TO... 6/26/2014