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Civil, <br /> Environmental <br /> . Et Wo ter <br /> Resources <br /> MEMORANDUM <br /> ENGINEERING CORP. <br /> TO: Kasey Foley, REHS <br /> Interim Director, San Joaquin Environmental Health Department <br /> FROM: Norman Hantzsche, PE, Questa Engineering Corporation <br /> DATE: December 18, 2019 <br /> SUBJECT: FINAL - OWTS Design Review for Heaven Temple Project, 3732 East Carpenter <br /> Road, Stockton <br /> In my design review memorandum of November 19, 2019, I indicated disagreement with the use <br /> of average rainfall data as the assumed value for rainfall recharge in the nitrate loading <br /> calculations for the project. On December 17, 2019, the project consultant, Don Chesney, <br /> submitted revised nitrate loading analysis using a water balance approach for recharge <br /> calculations consistent with my review comments and recommendations. I have reviewed and <br /> concur with the revised analysis submitted by Chesney Consulting, which indicate an acceptable <br /> resultant nitrate concentration of 6.7 mg-N/L for the proposed project. <br /> 1 <br /> Box 70356, 1220 Brickyard Cove Rd.Suite 206 Pt. Richmond, CA 94807 T:510/236.6114 F:510/236.2423 E:Questa@QuestaEC.com <br />