SITE INFORMATION AND CORRESPONDENCE

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PUBLIC WORKS Page 2 of 2 w/ ..rr Exposure Type: r Residential r Commercial Free Product: r In Groundwater r In Soil r Unknown TPH in the Bical tenuation Zone: r 2100 mg/kg rUnknown r Soil samples not taken at two depths within 5 ILcore(Only for Scenario 4 with BioZone) Misamenuation Zone Thickness: r<5 Fact(No BioZone) r z 5 Feet and<10 Fast r z 10 Feet and<SO Feet r i 30 Feet r 30ft BioZone Compromised TPH>10Omgkg r Unknown 02 Data in Bivattenuation Zone: r No Oi Data r0i<4% r02a 4% Benzene in Groundwater: r z 100 pgP and<1 000 pg/I r z 1,000 pga r Unknown Soil Gas Benzene: r z 85 pglms and<280 pg/ms r z 280 pg/ms and<S5,0D0 pglms r z 85000 pg/ms and<250,000 pg/ms r z 280,000 pg/ms r Unknown Soil Gas EthylBenzene: r a 1,100 pglms and<3,600 pghns r z 3,600 pg/ms and<1,100,000 pg/ms r z 1,100,000 pg/m3 and<3,600,000 pg/ms r z 3,600,000 pg/ms r Unknown Soil Gas Naphthalene: r z 93 pg/ms and<310 pghns r 2 310 pg/ms and<93,000 pg/ms r z 93,000 pglms and<310,000 pg/ms r z 310,000 pglms r Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-throat for direct contact and outdoor air exposure if it meats 1,2,or 3 below.-ctE_e MOTIoNMISMRS F YES 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 Oukloor Air Exposure criteria scanados? r YES r NO 3.1-Maximum concentrations of petroletm constituents in soil are less than or epual to those listed in the folb req tableL( INKt for the specified depth r YES r NO below ground surface. Additional Information Should this case be closed in spite of NOT meeting policy criteria? r YES r NO Has this LTCP Checklist been updated for FY 13/149 r YES r NO SPELL CHECK ----------------- Save Form as Partially Completed Save Form as Complete LOGGED IN AS HENDERSONN OOrvTA T Fria H o https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 6/23/2014