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r CRYSTAL CREAM & BUT'R � Page 2 of 2 M C YES r NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? rYES ?'No ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria; Sail Gas Samples : r' No Soil Gas Samples r Taken Incorrectly Exposure Type : C Residential /: Commercial Free Product : C In Groundwater r In Soil r Unknown TPH in the Bioatlenuati n Zone : r z 100 mg/kg 7unknown r' Soil samples not taken at two depths within 5 fl. zone (only for Scenario 4 with BioZone) Bioattenualion Zone Thickness : c < 5 Feet (No BioZone) C 2 5 Feet and < 10 Feet C 210 Feet and < 30 Feet r z 30 Feet r 30B BioZone Compromised TPH > 1 DOmg/kg O✓ Unknown 0i in Bioattenuation Zone : - NOO Oz Data r0? < 4% r' Ozz4% Benzene in Groundwater : / C 2100 pg/I and < 1,000 pg/I r > 1 ,000 pg/I C✓Unknown Soil Gas Benzene : C' z 85 pglm3 and < 280 pg/m3 r' > 280 pg/m3 and < 85,000 p9/m3 C' z 85,000 pg/m3 and < 280,000 Fill r z 280,000 pglm3 rr' Unknown Soil Gas ElhylSenzene : , r 21 ,100 pglm3 and < 3,600 pg/m3 r 23,600 pg/m3 and < 1,100,000 pg/m3 r z 1 ,1001000 pg/m3 'and < 3,600.000 pg/m3 r z 3,600,000 pg/m3 - Unknown Soil Gas Naphthalene r z 93 pglm3 and < 310 pg/m3 r' > 310 pg/m3 and < 93,000 pg/m3 r' z 93,000 pg/m3 and < 310,000 pg/m3 r z 310,000 pg/m3 IF Unknown 3. Media Specific Criteria: Direct Contact and Outdoor Air Exposure - The site is considered /ow-threatfor drectcontact and outdoor air exposure NO If it meets 1, 2, Or 3 below. - CLEAR slzc lox ANsN pis EXEMPTION - The upper 10 feet of soil is free of petroleum contamination C YES is NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? C YES r' NO ADDITIONAL QUESTIONS - Please indicate only those conditions that do not meet the policy criteria: Exposure Type : C' Residential C Commercial r Utility worker Petroleum Constituents in Soil r <_ 5 Feet bgs r >5 Feet bgs and 510 Feel bgs X&"Unknown Soil Concentrations of Benzene : r > IS mglkg and s 2.8 mg/kg r > 2.8 mg/kg and s 8.2 mg/kg C > 8.2 mglkg and 512 mg/kg r > 12 mglkg and 14 mg/kg r > 14 mg/kg Ppl known Soil Concentrations of EthylSenzene : C > 21 mg/kg and 5 32 mg/kg r > 32 milling and < 89 milling r > 89 mg/kg and 5134 mg/kg r > 134 mg/kg and 5 314 mg/kg r > 314 mgrkg jvUnknown Soil Concentrations of Naphthalene : I' > 97 mg/kg and 545 mg/kg C > 45 mg/kg and 5219 mgikg C > 219 mg/kg C Unknown Soil Concentrations of PAH : r' > 0063 mglkg antl < 0,68 mg/kg r > 0.68 mg/kg and <_ 4.5 mg/kg r > 4.5 mg/kg P Unknown Area of Impacted Soil : C' Area of Impacted Soil > 52 by 82 Feel C Unknown Additional Information Should Nis rase be closed in spite of NOT meeting policy criteria? C VES NO SPELL CHECK Savein Progress Save nal LOGGED IN AS HENDERSONN CONTACT GEDTRACKER HELP https ://geotracker.waterboards.ca.gov/regulators/screens/closure_policy. asp?global_id=TO. . . 7/22/2013