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" CHEVRON #94054 Page 2 of 2 <br /> r s 250 Feet > 250 Feet and s 1 ,0D0 Feet r Unknown <br /> Nearest 5 Feet Water 50 F (From Plume Feet ry) <br /> C s 250 Feet r > 250 Feel and <_ 1,000 Feel r Unknown <br /> 2, Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air - The site is considered low-threat for the vapor- rEs <br /> intrusion-to-air pathway if site-specific conditions satisfy items 2a, 2b, or 2c - crane sec, oR a <br /> EXEMPTION - Active Commercial Petroleum Fueling Facility r YES r NO <br /> Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r YES r NO <br /> 2a - Scenario 4 (example): Direct Measurement of Sail Gas Concentrations F YES <br /> I. Soil Gas Sampling Locations — No Bicatlenuation 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. r YES r NO <br /> - Future construction: The soil gas sample shelf be collected from at least 5 feet below Ne ground surface (bgs), r YES r NO <br /> Ii. Soil Gas Sampling Locations—with Bicattenuation Zone: The criteria in Column Ain the Soil Gas Criteria table (page 5 of the Policy) apply R the <br /> following requirements for a bioaftenuation zone are satisfied: <br /> - Minimum of 5 feel of sail between the soil vapor measurement and the foundation of an existing or ground surface of future construction. r YES r NO <br /> - TPH (TPHg + TPHd) is <100 mglkg (measured in at least two depths within the 5-R zone) r YES r NO <br /> - Oxygen is z 4% measured at the bottom of the 5-ft zone.. r YES r NO <br /> 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is considered low-threat for direct contact __ <br /> and outdoor air exposure if it meets 1, 2, or 3 below. - ci_ aR.SECTIOR MSS FYES <br /> EXEMPTION - The upper 10 feet of soil is free. of petroleum contamination r YES r NO <br /> Additional Information <br /> Should this case be closetl in spite of NOT meeting policy criteria? r YES r NO <br /> SPELL CHECK <br /> Save in Progress Save as Final <br /> LOGGED IN AS MAMASITALISA CONTACT GEOTRACKER HELP <br /> https :Hgeotracker. waterboards .ca.gov/regulators/screens/closure_policy. asp. . . 6/24/2013 <br />