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TRACY OFFICE PLAZA Page 2 of 2 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor-intrusion-to-air pathway if site NO specific conditions satisfy items 2a,2b,or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility r YES r' NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? YES r' NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Soil Gas Samples: C No Soil Gas Samples r Taken Incorrectly Exposure Type: r Residential r-Commercial Free Product: r In Groundwater r'In Soil r'Unknown TPH In the Bioattenuation Zone: r'i 100 mg/kg C Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Bioattenuation Zone Thickness: r<5 Feet(No BioZone) r t 5 Feet and<10 Feet r >_10 Feet and<30 Feet C?30 Feet ('30ft BioZone Compromised TPH>100mg/kg G Unknown 02 Data in Bioattenuation Zone: r'No 02 Data r 02<4% r OZ 2:4% Benzene in Groundwater: r'z 100 pg/I and<1,000 pg/I r i 1,000 pg/I r'Unknown Soil Gas Benzene: r't 85 pgtm3 and<280 pg/m3 r 2:280 pg/m3 and<85,000 pg/m3 r i 85,0D0 pg/m3 and<280,000 pg/m3 r-t 280,000 pg/m3 0 Unknown Soil Gas EthylBenzene: l a 1,100 pg/m3 and<3,600 pg/m3 r 2:3,600 pg/m3 and<1,100,000 pg/m3 r s 1,100,000 pg/M3 and<3,600,000 pg/m3 r t 3,600,000 pg/m3 r'Unknown Soil Gas Naphthalene t^i 93 pg/m3 and<310 pg/m3 r a 310 pg/m3 and<93,000 pg/m3 r z 93,000 pg/m3 and<310,000 pg/m3 r'a 310,000 pgtm3 R Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposureYES if it meets 1,2,or 3 below.-CLEAR SECTION ANSWERS 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 Outdoor Air Exposure criteria scenarios? r` YES r NO 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following table(LINK)for the specified depth G YES r NO below ground surface. Additional Information Should this case be closed in spite of NOT meeting policy criteria? l YES r' NO Has this LTCP Checklist been updated for FY 13/14? YES C NO SPELL CHECK Save Form as Partially Completed Save Form as Complete LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T 1... 6/26/2014