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BARNES TRUCKING — — Page 2 of 2 Nearest Surface Water Body (From Plume Boundary) : r< 250 Feet C >250 Feet and s 1 ,000 Feel r Unknown 2. Media Specific Criteria: Petroleum Vapor Intrusion to Indoor Air - The site is consideredlow-threat for the vapor-intrusion-to-air pathway if site- NO specific conditions satisfy items 2a, 2b, or 2c - CLEAR SEC'rON ANSVUERs EXEMPTION . Active Commercial Petroleum Fueling Facility C YES r NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? C YES r NO ADDITIONAL QUESTIONS . Please indicate only those conditions that do not meet the policy criteria: Soil Gas Samples : r No Soil Gas Samples r Taken Incorrectly Exposure Type : C Residential C Commercial Free Product : r In Groundwater C In Soil r Unknown TPH in the Bioaftenuation Zone : C z 100 mg/kg IF Unknown C Sol] samples not taken at two depths within 5 R. zone (only for Stenon 4 with BioZone) Bioattenuation Zone Thickness : r < 5 Feet (No BioZone) r It 5 Feet and < 10 Feet r >- 10 Feet and < SO Feel C z 30 Feet r 30R BioZone Compromised TPH > iOOmglkg r Unknown 02 Data in Bioattenuation Zone : rNo 02 Data C Oz <4% r Oz z 4% Benzene in Groundwater : C z 100 pg/I and < 1 ,000 pgA r z 1 ,000 pgll C Unknown Soil Gas Benzene : r z 85 pglms and < 280 p9/m3 C' ? 280 pglma and < 85,000 p9lm3 C' z 85,000 pg/ms and < 280,000 pg/ma r z 280,000 pg/ms r Unknown Sell Gas EthylBenzene : C' z 11100 pg/m3 and < 31600 pg/ms C z 3,600 pg/ms and < 1,100,000 pg/ma r z 1 ,100,000 pg/ms and < 3,600,000 pg/ma r z 306002000 pglma a- Unknown Soil Gas Naphthalene : r >- 93 pg/ms and < 310 pillars C z 310 pg/ms and < 93000 pg/ma r' z 93000 pg/mS and < 310,0110 pg/ma C z 310,000 pg/ms r Unknown 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is considered /ow-threat for direct contact and outdoor air exposum NO If It meets. 1, 2, or 3 below. - CLEAR SECnON ANSWERS EXEMPTION - The upper 10 feet of soil is free of petroleum contamination C YES r NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? (' YES r NO ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria: Exposure Type : r Residential r Commercial C' Utllily Worker Petroleum Constituents in Soil C s 5 Feet bgs C >5 Feet bgs and _<10 Fest bgs r Unknown SMil-CunumirliutmOe�afBerizen . C > 1 .9 mg/kg and <_ 2.8 mglkg C > 2.8 mg/kg and < 32 mg/kg r > 8.2 mg/kg and s 12 mg/kg C > 12 mg/kg and s 14 mglkg r > 14 mg/kg r Unknown Soil Concentrations of EthylBenzene : C' > 21 mglkg and s 32 mg/kg r > 32 mg/kg and s 89 mg/kg r > 89 mg/kg and 5134 mg/kg r > 134 mglkg and < 314 mg/kg C > 314 mg/kg r Unknown Soil Concentrations of Naphthalene : r > 9.7 m9/kg ands 45 mg/kg C > 45 mg/kg ands 219 mg/kg C > 219 mg/kg r Unknown Soil Concentrations of PAH : C > 0.063 mg/kg and << 0,68 mg/kg C > 0.68 mg/kg and < 4.5 mgikg r > 4.5 mg/kg r Unknown Area of Impacted Soil : C Area of Impacted Soil > 82 by 82 Feet C Unknown Additional Information Should this case be closed In spite of NOT meeting policy criteria? r VES r' NO SPELL CHECK Save in Progress Save as Final LOGGED IN AS HENDERSONN CONTACTGEOTRACKER HELP https :Hgeotracker.waterboards. ca.gov/regulators/screens/closure_policy.asp?global_id=TO. . . 7/19/2013