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enviros® <br /> iL <br /> 1 r!l <br /> " q �6 <br /> April 12, 1996 <br /> Mr. R. Jeff Granberry <br /> Shell Oil Products Company <br /> P O Box 4023 <br /> Concord, California 94524 <br /> RE: Quarterly Monitoring Report - First Quarter 1996 <br /> Shell Service Station <br /> 7910 Lower Sacramento Road <br /> Stockton, California <br /> WIC#204-7524-0808 <br /> Dear Mr Granberry <br /> This Quarterly Monitoring Report describes the recently completed activities associated <br /> with ground water monitoring and sampling at the referenced site (Plates 1 and 2) This <br /> report was prepared to meet quarterly reporting requirements issued by the Regional Water <br /> Quality Control Board, Central Valley Region and San Joaquin County Environmental <br /> Health Division <br /> Quarterly Monitoring & Sampling Summary <br /> Ground water monitoring and sampling for the first quarter of 1996 are summarized below - <br /> • Blaine Tech Services, Inc (Blaine) measured ground water levels and collected <br /> samples from three wells Wells MW-1 through MW-3 on February 28, 1996 <br /> Samples were transported to National Environmental Testing, Inc (NET) in Santa <br /> Rosa, California for cherrucal analysis <br /> • Enviros, Inc (Enviros) evaluated water-level measurement data and prepared a <br /> ground water elevation/benzene concentration map (Plate 2) <br /> • Ground water samples collected from Well MW-1 through MW-3 were ND for <br /> TPPH and BTEX compounds A ground water elevation/benzene concentration <br /> map is presented on Plate 2 <br /> t <br /> i <br /> Enviros, Inc 270 Perkins Street Sonoma California 7e1 707/935 4850 <br /> P 0 Sox 259 95476 0259 Fax 7071935 6649 <br />