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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY UnitSupevvisors <br /> Donna K.Heran,R.E.H.S. -Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> y. Director <br /> 304 East Weber Mike 1-ftlggillS,R.E,Hs., <br /> ' <br /> Al Olsim,R.E.H.S. Stockton, California 95202-2708 <br /> Douglas W. Wilson,R.11.14,S, <br /> \V1 Program Alanager <br /> Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotufla,R.E.H.S. Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Program Managet� Mark Barcellos,R.E.H.S. <br /> NICHOLAS BOKIDES <br /> MBP NAVY DRIVE <br /> P 0 BOX 7747 <br /> STOCKTON CA 95267 <br /> RE: MBP Navy Drive Site Code:001200 <br /> 2191 Navy Drive <br /> Stockton, CA 95205 <br /> WORKPLAN: -Site Assessment Work Plan Re' vised Addendum" <br /> DATED: - December 27 , 2004 <br /> PREPARED BY: Advanced' GeoEnvironmental , Inc - <br /> STATUS: APPROVED with conditions noted below: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health <br /> Safety code (H&S) Section 25296 .10 (c) (3) 1 : <br /> 0 install one monitoring well, MW-9, adjacent to MW-6, with a <br /> screen interval of five feet and a total depth between <br /> approximately So and 65 feet below surface grade (bsq) ; <br /> re the monitoring well boring from 30 feet bsg <br /> 0 Continuously cothe hydrogeologic and lithologic <br /> to total depth to determine <br /> characterizations; based on field observations; <br /> • collect soil samples for analysis discreet imately 50 feet <br /> g <br /> Collect a t roundwater sample at approx <br /> hours- Pending results for methyl <br /> bsq for analysis within 24 <br /> -butyl ether (MTBE} , <br /> the boring may be advanced to <br /> tertiary the monitoring <br /> approximately 65 'feet bsq prior to establishing <br /> well; <br /> • Laboratory analytical data must include : <br /> 1. Method blank results for every analyte reported; <br /> for every sample analyzed by US <br /> 2 . Surrogate -recoveries (EPA) SW-846 methods <br /> Environmental Protection Agency <br /> 8415B and 8260; <br />