SITE INFORMATION AND CORRESPONDENCE

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* 1_QP FILLING STATIOV . Page 2 of 2 r s 250 Feet r 1260 Feet and s 1,000 Fest r Unknown Nearest Surface Water Body(From Plume Boundary): r s 250 Feet r>250 Fast and s 1,000 Feet r Unknown 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor- NO intrusion-to-air pathway if site-specific conditions satisfy items 2a,2b,or 2c-c,=�nscFy. noNANsw,=a EXEMPTION-Active Commercial Petroleum Fueling Facility r YES rNO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES ' NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Sall Gas Samples: r No Soil Gas Samples r Taken Incorrectly Exposure Type: C Residential r Commercial Free Product: C'In Groundwater r In Soil r Unknown TPH in the Biorttenuatlon Zone: C'z 100 mgkg r'Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Sioattenuation Zone Thickness: r<5 Feel(No BioZone) r z 5 Fast and<10 Feet r a 10 Fast and 130 Fast r a 30 Feel r 3011 BioZone Compromised TPH>100mgtkg r Unknown 02 Data in Bioattenuation Zone: r No 0,Data r Oz<4% r Oz z 4% Benzene in Groundwater: r z 100 pgll and<1,0()0 p,A r z 1,000 p911 r Unknown Soil Gas Benzene r z 85 pg/m3 and<280 pglm3 r z 280 pg/m3 and<85,000 pglm3 r'z 85,0W pg/m3 and<280,000 pglms r z 280,000 pgrms r Unknown Soil Gas EthylSenzene: r z 1,100 pg nns and<3,600 Pg/m3 r z 3,600 pg/m3 and<1,100,000 pg/m3 r z 1,100,000 pg/m3 and<3,600,000 pg/m3 r z 3,600,000 pg/m3 r Unknown Sail Gas Naphthalene: r z 93 Pg/m3 and<310 pg/m3 O z 310 pg/m3 and,93,000 pg/m3 r z 93,000 pg/m3 and<310,000 pglm3 r z 310,000 pg/m3 r Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact NO and outdoor air exposure if it meets 1,2,or 3 below.-c AR s cTF Fy�!nn ANSMRS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination r YES r 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: r Residential r Commercial r Utility Worker Petroleum Constituents In Soil: r 15 Fast bgs r• 15 Feet bgs and s10 Feel bgs r Unknown Soil Concentrations of Benzene: r>1.9 mg/kg and s 2.8 mg/kg r>2.8 mg/kg and s 8.2 mg/kg r>8.2 mglkg and s 12 mg/kg r>12 mg/kg and 514 mg/kg r>14 mg/kg la Unknown Soil Concentrations of EthylBenzene: r'>21 mg/kg and s 32 mg@g r'>32 mglkg and s 89 mg/kg r>89 mg/kg and s 134 mg/kg r>134 mg/kg and s 314 mg/kg r>314 mg/kg r Unknown Soil Concentrations of Naphthalene: r>9.7 mg/kg and 5 45 mglkg r>45 mg/kg and s 219 mgMg r>219 mg/kg r Unknown Soil Concentrations of PAH: r>0.063 mg/kg and s 0,68 mg/kg r>0.68 mg/kg and s 4.5 mg/kg r>4.5 mg/kg r Unknown Area of Impacted Soil: r Area of Impacted Soil>82 by 82 Fast r Unknown Additional Information Should this case be,closed in spite of NOT meeting policy criteria? r YES r' NO SPFI L CHECK Save in Pro cess Save as Final LOGGED IN AS MAMASITALISA CONTACT GEOTRACKER HELP https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp... 7/31/2013