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Sincerely, <br />Wallace - Kuhl & Associates DEN1NiS B. <br />N,pc,fAIVIOTO <br />3863 <br />Dennis B Nakamoto, PG, CEG, CH <br />Senior Hydrogeologist <br />Phase II Environmental Site Assessment <br />CANNERY PARK SUBDIVISION UNITS 7 & 9 DISPOSAL PONDS <br />Stockton, California <br />WKA No. 10020.09 <br />Page 3 <br />February 22, 2021 <br /> <br />sample number, sample location, time and date collected, and the sampler's identification. <br />Each container will be preserved in a chilled cooler during transportation, with completed chain- <br />of-custody forms, to California Laboratory Services (CLS), a California State Water Resources <br />Control Board Environmental Laboratory Accreditation Program (ELAP) accredited laboratory. <br />WKA will abandon each boring by filling with a slurry of cement and water that will be placed <br />using Tremie line methods. <br />Laboratory Analyses <br />WKA will request CLS to analyze each of the 60 samples for total lead using EPA Method 6020 <br />on an expedited three-day turnaround for reporting results. <br />Report <br />WKA will prepare a report that will present a brief discussion of field activities, maps illustrating <br />the sampled locations, tables summarizing the laboratory results, and our professional opinions <br />regarding the data. The laboratory data sheets will be included with our report. <br />Closing <br />Should you have questions about the above scope of services, or if you need additional <br />information, please do not hesitate to contact me at (916) 372-1434. <br />Attachments: Figure 2 Boring Location Map <br />H:'.DEPT. 3 - G&EACTIVE JO8S.10020.09 - PHASE II ESA CANNERY PARK SUBDIVISION UNITS 7 & 96ORING <br />PERMIT 10020.09 - WORK PLAN.DOC <br />sM