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1 <br /> "NOMA <br /> Working To Restore Nature <br /> 1 <br /> Addendum One to Remedial Action Plan March 1, 1993 <br /> Cora-Cola Former Distribution Facility, Stockton, California 54006.01 <br /> ' locations of these wells are shown on Plate 2. Samples will be collected from these wells <br /> on a quarterly basis, and submitted for laboratory analysis of TPHg, TPHd, and BTEX, <br /> using EPA Methods 5030/8015/8020. These laboratory analyses will be used to evaluate <br /> petroleum hydrocarbon concentrations and trends in groundwater near and downgradient <br /> of the former UST. A report of the field methods, gradient and groundwater flow direction, <br /> the results of laboratory analyses, laboratory analytical reports and Chain of Custody <br /> Records, and other pertinent data will be prepared each quarter and submitted to the <br /> regulatory agencies involved in the project. The "Report on Quarterly Groundwater <br /> Monitoring for Fourth Quarter 1992" (RESNA, February 10, 1992) has been completed and <br /> submitted to SJCEHD and the Regional Board. <br /> Verbal approval of this quarterly monitoring plan was given by the SJCEHD on December <br /> 4, 1992,with the understanding that quarterly monitoring requirements will be re-evaluated <br /> by SJCEHD after the proposed soil vapor extraction system has been constructed and is <br /> ' operating (SJCEHD, 1992). <br /> Task 4. Construction Plans and Specifications <br /> oil <br /> The previously described soil vapor remediation system will be designed. This phase of the <br /> proposed work will include: engineering calculations; list of equipment, materials, and <br /> ' instrumentation; preparation of construction Plans and Specifications, including site and <br /> remediation compound layouts, trench and section details, wellhead piping details, and a <br /> process and instrumentation diagram (P&ID); in-house Plan check and review; one set of <br /> minor revisions to the Plans and Specifications by the Owner; and one by the City Building <br /> Department. Also under this task, RESNA personnel will conduct a site visit with Pacific <br /> Gas & Electric Company (PG&E) and City personnel to discuss electrical service <br /> ' requirements, City requirements, and to take site measurements. <br /> ' Task 5. Permitting! Air Building. and Fire <br /> A minimum of four permits will be required for the proposed remedhation system: a San <br /> Joaquin Valley Unified Ax Pollution Control District Permit to Construct and Authority to <br /> Operate, a City Building Permit, and a City Fire Department Permit. <br /> 1 An Authority to Construct and Permit to Operate application will be completed and <br /> submitted to the SJVUAPCD to allow for construction of the proposed VES. The <br /> application will include a brief site history, a description of the vapor extraction system, <br /> analytical results for known and suspected pollutants, emissions rate calculations, and <br /> completion of SJVUAPCD source and abatement device Forms and other SJVUAPCD <br /> 10 <br />