SITE INFORMATION AND CORRESPONDENCE_CASE 2

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BLINCO TRUCKING 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 cronditions satisfy items 2a,2b,or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility C YES NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? C YES NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Soil Gas Samples: G No Soil Gas Samples C Taken Incorrectly Exposure Type: C Residential r Commercial Free Product: C In Groundwater C In Soil r Unknown TPH in the Bioattenuation Zone: (->_100 mg/kg t:Unknown C 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 C z 10 Feet and<30 Feet C 2:30 Feet (-30ft BioZone Compromised TPH>100mg/kg G Unknown 02 Data in Bioattenuation Zone G No 02 Data f'02<4% r 02 z 4% Benzene in Groundwater: C-z 100 pg/I and<1.000 pg/I C z 1.000 pg/I r' Unknown Soil Gas Benzene: r- >_85 pg/m3 and<280 pg/m3 (->_280 pg/m3 and<85,000 pg/m3 r z 85,000 pg/m3 and<280,000 pg/m3 r 2:280,000 pg/m3 r Unknown Soil Gas EthylBenzene: t^>_1,100 pg/m3 and<3,600 pg/m3 (- z 3,600 pg/m3 and<1,100,000 pg/m3 z 1,100,000 pg/m3 and<3,600,000 pg/m3 z 3,600,000 pg/m3 r Unknown Soil Gas Naphthalene: C'z 93 pg/M3 and<310 pg/m3 C z 310 pg/m3 and<93,000 pg/m3 z 93,000 pg/m3 and<310,000 pg/m3 r z 310,000 pg/m3 r' Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure NO if it meets 1,2,or 3 below.-CLEAR SECTION ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination C YES /• NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? YES NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Exposure Type: C Residential t: Commercial C Utility Worker Petroleum Constituents in Soil: C-<5 Feet bgs r >5 Feet bgs and 510 Feet bgs G Unknown Soil Concentrations of Benzene: C>1.9 mg/kg ands 2.8 mg/kg C >2.8 mg/kg and s 8.2 mg/kg C>8.2 mg/kg and 5 12 mg/kg f'>12 mg/kg ands 14 mg/kg r>14 mg/kg G Unknown Soil Concentrations of EthylBenzene: C>21 mg/kg and 5 32 mg/kg C >32 mg/kg and s 89 mg/kg C >89 mg/kg and 5 134 mg/kg C>134 mg/kg and 5 314 mg/kg C >314 mg/kg r Unknown Soil Concentrations of Naphthalene: C >9.7 mg/kg and s 45 mg/kg r >45 mg/kg and s 219 mg/kg >219 mg/kg CJ Unknown Soil Concentrations of PAH: C >0.063 mg/kg ands 0,68 mg/kg r >0,68 mg/kg and s 4.5 mg/kg C>4.5 mg/kg Unknown Area of Impacted Soil: C Area of Impacted Soil>82 by 82 Feet t: Unknown Additional Information Should this case be closed in spite of NOT meeting policy criteria? r YES G No Has this LTCP Checklist been updated for FY 13/14? �' YES t^ NO SPELL CHECK Save Form as Partially Completed Save Form as Complete LOGGED IN AS MCCARTNEYV CONTACT GEOTRACKER HELP https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=T 1... 5/19/2014