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4191-E Power Inn Road,Sacramento,CA 95826 (916)452-2961 <br /> Applied GeoSysfems • Fremont •Costa Mesa •Sacramento <br /> August 26, 1987 <br /> 87053-1 <br /> 0826KREI <br /> Ms. Nellie Reichenberg <br /> Reynolds and Brown <br /> 6601 Owens Drive . <br /> Pleasanton, California 94566 <br /> Subject. Report of subsurface environmental investigation <br /> associated with product storage tank removal, 724 Grant <br /> Line Road, Tracy, California. <br /> Ms. Reichenberg: <br /> i <br /> A geologist from our office was present at the above-referenced <br /> site on August 20, 1987 to collect four soil samples and one <br /> ground water sample from beneath two former underground storage <br /> tanks at the above-referenced site. These tanks had been used in <br /> the past to store diesel fuel. Ramcon, of West Sacramento, <br /> California, conducted the tank removal operations and was <br /> responsible for notifying the appropriate local agencies. a <br /> Four samples were collected from soil at a depth of approximately <br /> 14 feet (approximately 2 feet below the tank bottom) . The soil <br /> samples were analyzed for extractable hydrocarbons, and for <br /> volatile hydrocarbons and hydrocarbon constituents (benzene, <br /> ethylbenzene, toluene, and total xylenes) . These analyses are <br /> required by the San Joaquin Local Health District for tank <br /> removal investigations. Results of these analyses show no <br /> detectable contamination of the soil below the tank. The ground <br /> water-sample collected from the bottom of the tank cavity showed <br /> only very low levels of hydrocarbon contaminants. Copies of all <br /> laboratory records of analyses are included in this report_ <br /> Copies of this report have been forwarded to Mr. W. R. Snavely, <br /> of the San Joaquin Local Health District. If you have any <br /> questions concerning the information presented in this report, <br /> please do not hesitate to call. <br /> Sincerely, <br /> Applied GeoSystems <br /> Andrew P. Lush <br /> j <br /> Project Geologist <br />