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HUMAN SERVICES AGFNCY Page 2 of 2 <br /> r z 100 mgAg r Unknown r Soil samples not taken at two depths within 5 fl.zone(only for Scenario 4 with BioZone) <br /> Sloane nuation Zone Thickness: <br /> r<5 Feet(No BioZone) r z 5 Feet and<10 Feet r z 10 Feel and<30 Feel r z SO Feet r 300 BioZone Compromised TPH>loampq r Unknown <br /> 02 Data in Bioaltenuation Zone: <br /> r No G3 Data r 03<4% r Oiz4% <br /> Semen.in Groundwater: <br /> r z 100 pga and<1,000 pgtl Or 11.000 pg0 r Unknown <br /> Soil Gas Benzene: <br /> C z 85 pg/m3 and<280 pg/m3 r z 280 pg/m3 and<85,000 pg/m3 r z 85,000 pia and<280,000 pghn3 r z 280,ODO pg/m3 a Unknown <br /> Soil Gas EthylBenzene: <br /> rz1,100pg/m3and<3,600pg/m3 rx3,600pg/m3arW<1,100,000 , <br /> 3 rz1100,000 3 3 r 3 d <br /> p9nn pg/m and<3,600,000 pg/m x 3,600,000 p9/m Unknown <br /> Soil Gas Naphthalene: <br /> r z 93 pg/m3 and<310 gr,,3 r 2310 pg/a,,,d<93,000pg/m3 rz93,000 pg/m3and<310,000 3 ra310,000 G <br /> pg/m pym3 Unknown <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat fordirect contactNo <br /> and outdoor air exposure if it meets 1,Z or 3 below.- <br /> EXEMPTION-The upper 110feet of soil is free of petroleum contamination Cr <br /> VES NO <br /> Does the site meet any of the Direct contact and Outdoor Air Exposure criteria scenarios? r YES G NO <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Exposure Type: <br /> r Residential r Commercial (' Utility Worker <br /> Petroleum Constituents in Soil: <br /> r 5 5 Fast bgs r>5 Feet bgs and s10 Feet bgs r Unknown <br /> Soil Concentrations of Benzene: <br /> (->1.9 mg/kg and s 2.8 mg/kg r>2.8 m9/k9 and s 8.2 mg)kg r>8.2 mg/kg and s 12 mg)kg r>12 mg1kg and 14 mg/kg r>14 mgAg r Unknown <br /> Soil Concentrations of EthylBemmne: <br /> C>21 mg/kg and 5 32 mglkg r>32 mpg and 5 89 mg/kg r>89 mg/kg and s 134 mg/kg r>134 mg/kg and s 314 mg/kg r>314 mglkg r Unknown <br /> Soil Concentrations of Naphthalene: <br /> r>9.7 mg/kg and s 45 mg/kg r>45 mpg and 5219 m9lkg r>219 mg/kg rUnknown <br /> Soil Concentrations of PAH: <br /> C >0.063 mg/kg and 5 DES mg/kg r>0.68 mg/kg and 5 4.5 mpg r>4.5 mg/kg r Unknown <br /> Area of Impacted Soil: <br /> r 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? r VES r NO <br /> SPELL CHECK <br /> Save in Pr mss Save as Final <br /> LOGGED IN AS MAMASITALISA CONTACT GEOTRACKER HELP <br /> https://geotrackvr.waterboards.ca.gov/regiators/screens/closure olicy.asp?... 8/2/2013 <br />