SITE INFORMATION AND CORRESPONDENCE

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HUMAN SERVICES AGEN(" Page 2 of 2 Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria screadwT C YES is NO ADDITIONAL QUESTIONS-Please Indicate only losses conditions that do not meat the policy criteria: Soil GAS Samples: C No Soil Gas Samples C Taken Incorrectly Exposure Type: C Residential C Commercial Free Product: C In Groundwater C In Soil C Unknown TPH in the SicaHenuation Zone: r a 100 mg/kg r Unknown C Soil samples not taken at two depths within 5 fl.zone(only,for Scanano 4 with BioZone) Bloattenuccon Zone Thickness: C <5 Feel(No 6 ozone) C z 5 Feet and<10 Feel C a 10 Feet and<30 Feel C 2 30 Feet r 3011 BioZone Compromised TPH>100 li r Unknown 02 Data in Bio ntenuation Zone: C No Oz Data r 02<4% C Or z 4% Benzene in Groundwater: r a 100 pgll and<1,000 pull is 2 1,000 pgll C Unknown Soil Gas Benzene r a 85 palms and<280 1 C a 280 pg/m3 and<85,000 pghn3 C 2 85,000 pgtm3 and<280,000 pg/m3 r i 280,000 palms Ce Unknown Soil Gas EthylSenzena: r 2 1,100 pg/m3 and<3,600 pg/m3 C a 3,600 pglm3 and<1,100,000 palms C a 1,100,000 pgIM3 and<3,611 C a 3,600,000 1 r Unknown Sal Gas Naphthalene: r 2 93 palms and<310 Wm3 r a 310 pglm3 and<93,000 palms C a 93,000 pgfm3 and<310,000 pfivi C a 310,000 palms r Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure ifit meets 1,2,or 3 below.-CLEAR SECTION ANSwast ND EXEMPTION-The upper 10 feet of soil Is free of petroleum contamination r YES f NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? C' YES Is NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Exposure Type: C Residential C Commercial C Utility Mrker Petroleum Constituents in Soil: O s 5 Feet bgs C>5 Feet bgs and sl0 Feet bgs r Unknown Soil Concentrations of Benzene: C>1.9 ri and 52.8 mg/kg r>2.B mg/kg and s 8.2 ri C>8.2 mg/kg and s 12 mg/kg r>12 mg/kg and s 14 inaft C>14 mg/kg F`Unknown Still Concentrations of EthylBenzene: C>21 mg/kg and s 32 mglkg C >32 mg/kg and s 89 ni r>89 mg/kg and s 134 mg/kg C>134 ni and s 314 mg/kg r>314 mg/kg rUnknown Soil Concentrations of Naphthalene: r>9.7 mg/kg and s 45 mg/kg C >45 mglkg and s 219 ni r>219 ni r'Unknown Still Concentrations of PAH: C>0.063 mghg and 0,68 mg/kg C>068 mgMg and s 4.5 mg/kg r>4.5 mg/kg r U�n Area> Impacted Soil r Area a Impacted Soil>82 by 82 Feel r Unknown Additional Information Should this case be closed in spite of NOT meeting policy criteria? r YES n NO Has this LTCP Cherlkliat been updated far FY 13114? F YES r NO SPELL CHECK Save Formas Partial/ Com letedSave Form as Complete LOGGED IN AS HENOERSONN CCNTACT GEOTRACKFIRH IP https://geotracker.waterboards.ca.gov/regulators/screens/closure—Policy.asp?global_id=T06... 6/6/2014