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4191-E Power Inn Road, Sacramento, CA 95826 (916) 452-2901 <br /> • fREMONT a COSTA MESA a SACRAMENTO • HOUSTON <br /> December 22, 1988 <br /> 1222MMAR <br /> AGS 38033-1 <br /> Mr. Melvin Marlowe <br /> Marlowe Properties <br /> r <br /> P.O. BOX 211 <br /> San Rafael, California 94915 <br /> Subject: Letter report regarding results of laboratory analysis <br /> of excavated soil at Marlowe Properties, 4648 East <br /> Waterloo Road, Stockton, California. <br /> Mr. Marlowe: <br /> At your request, a geologist from our office was present at <br /> Marlowe Properties in Stockton, California, to collect soil <br /> samples from soil currently being aerated onsite. This letter <br /> report describes sampling locations, procedures, and analyses <br /> performed to characterize levels of hydrocarbon contamination. <br /> The site is located just east of Highway 99, on East Waterloo <br /> Road in Stockton. The location of the site is shown on the Site <br /> Vicinity Map (Plate P-1) . <br /> In January 1988, RAMCON, Inc. , of West Sacramento removed one <br /> 500-gallon, regular-leaded gasoline tank. According to the <br /> property owner, RAMCON collected soil samples from approximately <br /> 17 feet below grade. Results of soil samples presented verbally <br /> to Applied GeoSystems by Mr. Marlowe indicated that levels of <br /> total volatile hydrocarbons as gasoline were 2,100 and 2, 200 <br /> parts per million (ppm) , respectively. RAMCON excavated and <br /> stockpiled approximately 45 cubic yards of soil on the property. <br /> The general configuration of stockpiled soil is shown on the <br /> Generalized Site Plan (Plate P-2) . Previous work at the site, <br /> summarized in our Report No. 38033-1 (dated August 5, 1988) , <br /> indicated the maximum concentration of total petroleum hydro- <br /> carbons found in two soil borings at the site was 3.4 ppm. <br />