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BANK OF THE WEST(FORMER SHELL) Page 2 of 2 C YES G NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r 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: C Residential r Commercial Free Product: r In Groundwater C In Soil C Unknown TPH in the Bioattenuation Zone: rc>_100 mg/kg r' Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Bioattenuation Zone Thickness: C <5 Feet(No BioZone) C z 5 Feet and<10 Feet r >_10 Feet and<30 Feet r s 30 Feet r 3Oft BioZone Compromised TPH>IOOmg/kg r' Unknown 02in Bioattenuation Zone: M02 Data r OZ<4% r Oz>_4% Benzene in Groundwater: G >100 pg/1 and<1,000 pg/I r z 1,000 pg/I r Unknown Soil Gas Benzene: r t 85 pg/m3 and<280 pg/m3 r z 280 pg/m3 and<85,000 pg/m3 r>_85,000 pg/m3 and<280,000 pg/m3 r>_280.000 pg/m3 Unknown Soil Gas EthylBenzene: r>1,100 pg/m3 and<3,600 pg/m3 r>_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: r>_93 pg/m3 and<310 pg/m3 r t 310 pg/m3 and<93,000 pg/m3 r 2:93,000 pg/m3 and<310,000 pg/m3 r 2 310,000m3 r pg/ nknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure YES if it meets 1,2,or 3 below.-CLEAR SECTION ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination 0 YES r NO Additional Information Should this case be closed in spite of NOT meeting policy criteria? r- YES r- NO SPELL CHECK Save in Progress Save as Final LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 6/14/2013