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CAdmbgL�- �Pp <br /> =014 Quality Assurance/Quality Control Plan <br /> N G I a 1 R I N G Martin Metals Finishing Inc. (Former) <br /> Stockton, California <br /> 6 REFERENCES <br /> California Department of Toxic Substances Control (DTSC), 2015a. Advisory—Active Soil Gas Investigations, <br /> Joint DSTC/LARWQCB/SFRWQCB, July. <br /> DTSC, 2015b. Preliminary Endangerment Assessment Guidance Manual. January 1994. Revised October 2015. <br /> DTSC, 2020. Human Health Risk Assessment Note 3— DSTC-Modified Screening Levels, June. <br /> DTSC, 2022. Standard Voluntary Agreement, Docket No. HAS-FY21/22-146. June 6. <br /> San Francisco Regional Water Quality Control Board (SFRWQCB), 2019. Environmental Screening Levels, <br /> February. https://www.waterboards.ca.gov/sanfranciscobay/water—issues/programs/esl.htm]. <br /> United States Environmental Protection Agency(USEPA), 1997. EPA Region IX Site Screening Checklist, Martin <br /> Metal Finishing, CAD982029928. January 10. <br /> USEPA, 2006. Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA QA/G-4. <br /> February. <br /> USEPA, 2022. Regional Screening Level (RSL) Summary Table (TR=1 E-06, HQ=1). May. <br /> CDIM—Fairgrounds Industrial Park Page 12 <br />