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�+j <br /> � CRO <br /> F •trti��f , r �- <br /> t <br /> I <br /> FUGRO WEST, INC. <br /> January 9, 1996 1050 Melody Lane,suite 160: <br /> Roseville,California 95678 <br /> Project No. 9347-1231 Tel: {916}782-2110' " <br /> FAX: (916)786-7830 <br /> Ms. Mary Meays ' <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> Post Office Box 388 a <br /> Stockton, California 95201-0388 <br /> ii <br /> Subject: Shell Seiviee Station (WIC No. 204-7524-0808) i <br /> 7910 Lower Sacramento Road <br /> Stockton, California <br /> Dear Ms. Meays: <br /> Fugro West, Inc., (Fugro) on behalf of Shell Oil Products Company (Shell), is pleased to <br /> provide the San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) the attached Fourth Quarter 1995. Ground Water Monitoring Report. This report <br /> documents the results of ground water monitoring conducted by Blaine Tech Services, Inc., of <br /> San Jose, California, on November 15, 1995. <br /> p � <br /> Total petroleum hydrocarbons (TPH) as gasoline has not been indicated Many samples � I' <br /> collected from wells MW-1; MW-2, and MW-3 since installation in August 1989. Benzene <br /> �i <br /> concentrations have been below the practical quantitation reporting limits (PQL) since the May <br /> 1990 sampling event. In the first quarter of 1993, the collection of ground water samples was <br /> reduced from quarterly to a semi-annual (twice each year) basis. Ground water elevations have !! <br /> continued to be measured each quarter. -' <br /> Fugro is preparing a workplan to perform a subsurface investigation at this site. The ,i <br /> proposed investigation is to determine the vertical extent of petroleum hydrocarbons previously <br /> detected in soil near the western dispenser island. <br /> ii <br /> Planned activities for the first quarter of .1996 include the semi-annual collection of s <br /> ground water samples during February 1996. The next quarterly ground water monitoring report <br /> will be submitted to the PHS/EHD no later than April 1.5, 1996. i <br /> 11 <br /> 'I h <br /> I� <br /> 114 <br /> i <br /> 9347-1231-4c1 mrcow.ltr <br /> 'I <br /> A member of the Fugro group of companies with offices throughout the world li <br /> li <br />