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LOPEZ PROPERTY Page 2 of 2 <br /> r No Soil Gas Samples C Taken Incorrectly <br /> Exposure Type: <br /> C Residential rCommercial <br /> Free Product: <br /> C In Groundwater C In Soil C Unknown <br /> TPH in the Bloetlenuation Zone: <br /> C z 100 mglkg r Unknown C Soil samples not taken at two depths within 5 it zone(only for Scenario 4 with BxZone) <br /> Bioattenuation Zone Thickness: (-z 10 Feet and<30 Feet C z 30 Feet C'3011 BioZone Compromised TPH>I00mglkg to Unknown <br /> C<5 Feet(No BiOZone) Cz5Feet and<10 Feet <br /> 02 Data In Bioaftenuation Zone <br /> r No 02 Data C 02<4% C 0224% <br /> Benzene in Groundwater. [Unknown <br /> C z 100 pgll and<1.000 poll r z 1,000 pgll <br /> Soil Gas Benzene: a ma r a 280,1X10 4m3 r'Unknown <br /> C z 85 pglm3 and<280 pg/m3 C z 280 pglma and<B5,000 Uglms C z 85,000 pglm and<280,000 pg/ <br /> Soil Gas EthylBenzene: a r 100000 pgrh3 and<3,600,000 pg/ma C z 3,600,000 p9lm3 r Unknown <br /> C'z 1,100 pglm3 and<3,600 pglms r;,3,600 pg/ma and<1,100,000 pglm z 1, <br /> Soil Gas Naphthalene: a s f z 93,1X10 pg/ma and<310,OW pg/ma C z 310,000 pg/ma r Unknown <br /> C z 93 pgM3 and<310 pg/ma C z 310 pg/m and<93,000 pg/m <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site Is considered low-threat for direct contact and outdoor air exposure <br /> NO <br /> ifit meets 1,2,or 3 below.-^`"o'EDT M'""w"' l-' YES r NO <br /> EXEMPTION-The upper 18 feet of soil is free of petroleum contamination C YES is NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? <br /> ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: <br /> Exposure Type: <br /> C Residential C Commercial C Utility Worker <br /> Petroleum Constituents in Soil: (`Unknown <br /> C s 5 Fact bgs r 15 Feel bgs and 510 Feel bgs <br /> Soil Concentrations of Benzene: antl s 12 mpg <br /> C>12 mglkg and 514 mglkg C >14 mglkg r Unknown <br /> C C>S2>1.9 mpg and s 2.8 mglkg C>2.B mg/kg and s 8.2 mglkg mglkg <br /> Soil Concentrations of EthylBenzane: C>89 rrpg and s 134 mg/kg C>134 mpl;and s 314 mglkg C>314 mglkg r Unknown <br /> C>21 mglkg and s 32 mrpg C>32 mg/kg and 589 mglkg <br /> Soil Concentrations of Naphthalene: r Unknown <br /> OC>219 m>9.7 mglkg and s 45 mgNg C>45 mglkg and 5219 mglkg 9lkg <br /> Soil Concentrations of PAH: C>4.5 mg/k9 r Unknown <br /> C>0.063 mglkg and s 0,68 Mp9 C'>0.68 mglkg and 5 4.5 mglkg <br /> Area of Impacted Soil <br /> C Area of impacted Soil>82 by 82 Feet C Unknown <br /> Adtlitlonal Informatlon C YES r NO <br /> Should this ossa be closed in spite of NOT meeting policy criteria? <br /> SPELL CHECK <br /> Save in Progress Save as Final <br /> E EL <br /> LOGGED IN AS MCCART14 N <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 7/23/2013 <br />