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❑�-' GROUNDWATER <br /> ❑� TECHNOLOGY 671.2387 <br /> A DBTSIO%OF OIL RECOVERY SYSTEMS I%C 4080 Pike Lane, Suite D C CO ) <br /> April 23, 1987 <br /> Project No. 20-8233 APR 2 n 1987 <br /> L8233A <br /> ENVIROMENTAL HEALTH <br /> FERMIT/SERVICES <br /> Mr. Frank Loduca <br /> P.O. Box 522 <br /> Lathrop, CA 95330 <br /> Re: Soil sampling - Knowles Gas Station at Hammer Street <br /> and Pacific Street in Stockton, California <br /> Dear Mr. Loduca, <br /> Enclosed please find a copy of the laboratory analyses of <br /> soil samples collected from the open tank pit on April 10, 1987. <br /> Three soil samples were collected under the direction of <br /> Mr. Dan Moe, San Joaquin County Health Inspector. Samples SS-1 <br /> and SS-2 were collected at depths of 34 feet. The samples were <br /> from directly below the previously collected samples labeled <br /> 6B and 5B, respectively. Sample SS-3 was collected at a depth of <br /> 30 feet. This sample was collected from below the previous <br /> collected sample labeled 5A. The samples were analyzed for total <br /> petroleum hydrocarbons (BTX) by EPA Method 8015/8020. <br /> Groundwater Technology, Inc. would like to thank you for the <br /> opportunity to be of service. If you have any questions, or <br /> require any additional information please feel free to contact <br /> US. <br /> Sincerely, <br /> GROUNDWATER TECHNOLOGY, INC. <br /> Paul Horton <br /> Geologist <br /> PH:tb <br /> Enclosures <br /> cc: Mr. Dan Moe <br /> Ohb offices:Redondo Beach,CA,Tampa.FL;Mandeville,LA;Norwood,MA;N wi,MI; <br /> Minnea,olis.MN;Greenville.NH,Chadds Ford,PA;Montreal.Quebec.Canada <br />