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John P. Cummings & Associates <br /> Environmental Consultants <br /> Ph (510) 505 0722 P o Box 2847 <br /> Fax (510) 791 3306 Fremont, CA 94536 2847 <br /> File No 0294032 . 00 ���� <br /> December 26, 1995 <br /> DEC 2 S 1995 <br /> Ernest Costamagna <br /> E G C INVESTMENTS, INC. ENVIRONMENTAL HEALTH <br /> P O Box 262 PERMITISERVICES <br /> Banta CA 95304 <br /> Re: 3rd Quarterly Monitoring Report <br /> 18775 Tom Paine Rd. <br /> Tracy CA 95376 <br /> Dear Mr. Costamagna: <br /> John P. Cummings and Associates (JPCA) is pleased to present this <br /> 3rd Quarterly Monitoring Report for the 18775 Tom Paine Road in <br /> Tracy site. <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 along <br /> the Tom Paine frontage of the lot. There is one residence, a barn <br /> and outbuildings on the parcel. Figure 1 is a location map of the <br /> parcel. <br /> BACKGROUND <br /> It is reported that a farm-use 350 gallon 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 from 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 groundwater was reported <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 <br /> the former UST excavation indicated hydrocarbon contamination. <br /> Groundwater samples collected, using a hydropunch, on November 6 <br /> and 21, 1991 and analyzed indicated very low values of Total <br /> . i <br />