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John P. Cummings & Associates <br /> Environmental Consultants <br /> Ph. (51 D)505-0722 <br /> Fax (510) 791.3308 P.O. Box 2847 <br /> Fremont, CA 94538-2847 <br /> File No 0294032 . 01 <br /> August 22 , 1995 <br /> Revised September 20, 1995 <br /> Ernest Costamagna <br /> E G C INVESTMENTS, INC. <br /> P O Box 262 <br /> Banta CA 95304 <br /> F <br /> Re: QuarterlyMonitoring For Four Quarters <br /> . _ r . <br /> 18775` :Tam Paine <br /> Tracy CA 95376 <br /> N <br /> Dear Mr. Costamagna: <br /> John P. Cummings and Associates (JPCA) is pleased to present the <br /> following proposal which is based on the requirement for further <br /> characterization of the site based on directives of the San Joaquin <br /> County Environmental Health Division (SJCEHD) and the State Water <br /> Resources Board. <br /> The site is a rectangular shaped parcel located at 18775 Tom Paine <br /> Road, Tracy CA. The most recent use of the parcel is for farming. <br /> The parcel is basically flat with an irrigation ditch running east <br /> and west on the northern side of the lot. There is one residence'; <br /> a barn and outbuildings on the parcel. Figure 1 is a location map <br /> of the parcel. <br /> BACKGROUND <br /> It --is� reported -that afarm--use 350 gall an' gasoline Underground <br /> Storage Tank (UST) , in very poor condition, was removed from the <br /> parcel "on August 7, 1991 by JIM THORPE OIL INC. , at the request of <br /> the then owner, SIERRA BAY FARM CREDIT SERVICE. It was reported <br /> that the UST did not require a permit (farm fuel tank) , however an <br /> UST Closure Permit was requested and approval received froim the San <br /> Joaquin County Environmental Health Division (SJCEHD) . Soil <br /> samples collected in the excavation at the time of tank removal <br /> indicated hydrocarbon contamination. No ground water was reported M <br /> in the excavation. <br /> The analysis of the soil samples collected on November 6 and 21, <br /> 1991 from approximately 7 to 14 feet below grade in the area around i <br /> i <br />