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❑� GROUNDWATER <br /> ❑� TECHNOLOGY, INC. <br /> OIL RECOVERY SYSTEMS 1832 Tribute Road Suite f., sacrw- :ut ^•" .,rnia 96516(918)921-1800 <br /> December 16 , 1987 <br /> Project Number 202/799-5019 <br /> Ms . Laurie Cotulla EIVVIROM+E'"N(AE H`AITH <br /> Environmental Health Division FERM1i(SERVICES <br /> San Joaquin Local Health District <br /> P . 0 . Box 2009 <br /> Stockton , CA 95201 <br /> RE: 610 NORTH HUNTER STREET <br /> STOCKTON, CALIFORNIA <br /> Dear Ms . Cotulla : <br /> Enclosed are the analytical reports for soil samples collected <br /> by Groundwater Technology , Inc . ( GTI ) from the property of <br /> Mr . Ray Farmer at the above referenced location . <br /> The property was formerly an automobile dealership which operated <br /> two 1000 -gallon storage tanks . Most recently , these tanks <br /> contained regular and unleaded gasoline . A 650-gallon waste oil <br /> tank was also in the tank pit , adjacent to the fuel tanks . <br /> These tanks were excavated on November 6 , 1987 . Mr . William <br /> R . Snavely was present during the excavation and specified the <br /> location and depth for three soil samples to be collected from <br /> the tank pit . The tank pit was somewhat rectangular (20 feet <br /> long by 10 feet wide ) and approximately 10 feet deep . Upon <br /> excavation , considerable odors were detected in the tank pit <br /> soils . Soil excavated from the tank pit was stockpiled on the <br /> asphalt surface . <br /> Samples were collected from directly beneath the 3 tanks ( to the <br /> limit of the backhoe ' s reach ) at a depth of approximately 15 <br /> feet . As prescribed by Mr . Snavely , the soil from below each <br /> fuel tank was analyzed for total petroleum hydrocarbons (TPH) as <br /> gasoline ; benzene , toluene , ethylbenzene and xylene ( BTEX ) ; <br /> Offices throughout the U.S., Canada and Overseas <br /> Western offices in: Tempe, AZ; Concord, CA;Sacramento, CA; San Diego, CA; <br /> Torrance, CA; Ventura, CA;Englewood, CO;Renton, WA <br />