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PES Environmental, Inc. <br /> Engineering & Environmental Services <br /> March 28, 2017 <br /> 1484.001.01.009 <br /> California Environmental Protection Agency <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive #200 <br /> Rancho Cordova, California 95670 <br /> Attention: Ms. Emily Cushman <br /> Subject: First Quarter 2017 Supply and Irrigation Well Analytical Results <br /> Paradise Point Marina <br /> 8095 Rio Blanco Rd. <br /> Stockton, California <br /> Dear Ms. Cushman: <br /> PES Environmental, Inc. (PES) has prepared this letter at the request of the California Regional <br /> Water Quality Control Board - Central Valley Region (CRWQCB ) to document groundwater <br /> analytical results for the potable supply well and irrigation well for the first quarter of 2017 at <br /> the Paradise Point Marina in Stockton, California (the site or subject property). Per your <br /> request in the letter, Review of Subsurface Investigation Report and Work Plan Addendum for <br /> Additional Investigation, Paradise Point Marina, 8095 Rio Blanco Road, Stockton, San Joaquin <br /> County, Geotracker Global ID #10000007741, dated January 9, 2017, the groundwater <br /> analytical results for the potable supply well and irrigation well are presented in Table 1 <br /> with laboratory analytical detection limits at or below California drinking water maximum <br /> contamination levels (MCLS). Laboratory analytical reports are also presented as attachments <br /> to this letter. <br /> If you have any questions or require additional information, please call (415) 899-1600. <br /> Very truly yours, <br /> PES ENVIRONMENTAL, INC. <br /> Gavin M. Creps, T. James Dunn, P.G. <br /> Senior Staff En ' eer Princi a eologist <br /> cc: Mr. Howard Weinberg <br /> Attachments: Table 1 - Summary of First Quarter 2017 Groundwater Analytical Results for <br /> Supply and Irrigation Wells - Hydrocarbon and VOCs <br /> Analytical Laboratory Reports 148400101Loo3.aoc <br /> 7665 Redwood Boulevard • Suite 200 • Novato, California 94945 • Tel (415)899-1600 • Fax(415)899-1601 <br />