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Tier I ENVIRONMENTAL SCREENING LEVELS SEARCH <br /> SUMMARY FORM <br /> San Francisco Bay Regional Water Quality Control Board <br /> California Environmental Protection Agency <br /> (Referenced ESLS: February 2005) <br /> Site Name: San Joaquin Catholic Cemetery <br /> Site Address: Harding Way and Cemetery Lane,Stockton,California <br /> Site ID Number: Global ]D#70607700348 <br /> Date of ESL Search: 19-Dec-06 <br /> Selected Site Scenario <br /> Land Use: Residential <br /> Depth to impacted Soil: Shallow Soil <br /> Groundwater Utility: Drinking Water <br /> Resource <br /> Selected Chemical of Concern: METHYL TERT BUTYL ETHER <br /> In ut Site Concentrations: <br /> Soil(mg/kg): 0.1 <br /> Groundwater(ug/L): 52.1 <br /> Tier 1 ESL <br /> Exceeded? <br /> Soil Tier 1 ESLS: Units ESL Referenced Table <br /> Direct Exposure: mg/kg 3.0E+01 No <br /> Vapor Emissions To Indoor Air: mg/kg 2.0E+00 No <br /> Terrestrial Ecological Impacts: mg/kg - No Table A-]: <br /> Gross Contamination: mg/kg 1.0E+02 No <br /> Leaching: mg/kg 2.3E-02 Yes <br /> Lowest Soil ESL: mg/kg 2.3E-02 <br /> Groundwater Tier 1 ESLs: Units ESL Referenced Table <br /> Drinking Water(Toxicity): ug/L 1.3E+01 Yes <br /> Vapor Emissions To indoor Air: ug/L 2.4E+04 No 'fable F-1 a <br /> Impacts to Aquatic Habitats: ug/L 8.0E+03 No <br /> Gross Contamination: ug/L 5.0E+00 Yes <br /> Lowest Groundwater ESL: ug/L 5.0E+00 <br /> Other Tier i ESLS: Units ESL Referenced Table <br /> Indoor Air: ug/m� 9.4E+00 Table E-3 <br /> Shallow Soil Gas: ug/m3 9.4E+03 Table E-2 <br /> Reference: <br /> Screening For Environmental Concerns at Sites With Contaminated Soil and Groundwater (February 2005), San <br /> Francisco Bay Regional Water Quality Control Board, California EPA, <br /> http://www.waterboards.ca.gov/sanfranciscobay/esl.htin <br /> Source Tables: Referenced Table from Appendix 1 of ESL document. <br /> Tier 1 ESL Surfer <br /> Version:October 2005 ESL Surer-Surfer Report <br />