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PUBLIC WORKS — Page 2 of 2 ... 14mo ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the Policy criteria: Soil Gas Samples: r No Soil Gas Samples C Taken Inconectly Exposure Type: C Residential r Commercial Free Product: r In Groundwater r In Soil rUnknown TPH in the Bioattenuadon Zone: C k 100 mglkg r Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Bloakenuadon Zone Thickness: C<5 Fast(No BioZone) C z 5 Feet and<10 Feet C k 10 Feet and<30 Feet r t 30 Feel C 30d BbZone Compromised TPH>100mglkg C Unknown 02 Data in SioaHenuadon Zone r No 02 Data r 02<4% r 0214% Benzene in Groundwater: C z 100 pgll and<1,000 pall r z 1,000 pan r Unknown Soil Gas Benzene: r z 85 pglm3 and 1280 palma r z 280 pg/M3 and<85,000 pglm3 n z 85,000 pgrms and 1280,000 perms r z 280,000 pglms r Unknown Soil Gas EthylBenzene: r k 1,100 pgIM3 and<3,600 palms r z 3,600 pg/ms and 11,100,000 palma r z 1,10,000 pglmz antl<3,600,000 pg/m3 r z 3,800,000 pgrms r Unknown Soil Gas Naphthalene: r a93 pgrm3 and<310 palms rk310 pglns and<93."pglns r k 0,000 pglms and<310,000 p91m3 ra310,000a r palm - Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor airexposure Wit meets 1,2,or 3 below.-cceR cToN ANs Rs YES EXEMPTION-The upper 10 feet of soil is free a petroleum contamination C YES is NO Does dm site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r VES C NO 3.1-Maximum concentrations a petroleum constituents in soil are lass than or equal to those listed in the following table(LINK)for the spaded depth below ground surface. r VES r NO Additional Information Should this case be closed In spite of NOT meeting policy criteria? r VES r NO LGGGED IN A8 MCCARINEYV NTR T OTRs K R H e https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T... 11/19/2013