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CALIFORNIA TANK LINES Page 2 of 2 <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES C NO <br /> 2a-Scenario 4(example) Direct Measurement of Soil Gas Concentrations YES <br /> I.Soil Gas Sampling Locations-No Bioattenuation Zone: YES <br /> -Beneath or adjacent to an existing building.Soil gas sample is collected at least 5 feet below the bottom of the building foundation. l.' YES C NO <br /> -Future construction.The soil gas sample shall be collected from at least 5 feet below the ground surface(bgs). C YES C NO <br /> ii.Soil Gas Sampling Locations-with Bioattenuation Zone:The criteria in Column A in the Soil Gas Criteria table(page 5 of the Policy)apply if the O <br /> following requirements for a bicattenuation zone are satisfied: <br /> -Minimum of 5 feet of soil between the soil vapor measurement and the foundation of an existing or ground surface of future construction. r YES C NO <br /> -TPH(TPHg+TPHd)is<100 mg/kg(measured in at least two depths within the 5-ft zone) l' YES C NO <br /> -Oxygen is z 4%measured at the bottom of the 5-ft zone. <br /> YES C NO <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure YES <br /> Nit meets 1,2,or 3 below.-CLEAR SECTION ANSWERS <br /> EXEMPTION-The upper 10 feet of soil is free of petroleum contamination YES 6 NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? G YES C NO <br /> 3 1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following tableL( INKI for the specified depth r YES C NO <br /> below ground surface. <br /> Additional Irrformation <br /> Should this case be closed in spite of NOT meeting policy criteria? /' YES (' NO <br /> SPELL CHECK <br /> Save in Progress Save as Final <br /> LOGGED IN AS MCCARTNEYV CONTACT GEOTRACKER HELP <br /> https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 7/12/2013 <br />