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C A M B R I A <br /> L LF'i f 28 <br /> December 27, 2000 <br /> Mr. Vidal Pedraza <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> Re: Soil Sampling Report <br /> Shell-branded Service Station <br /> 7700 Moreland Court <br /> Stockton, California <br /> SAP Code 136146 <br /> Dear Mr. Pedraza: <br /> Cambria Environmental Technology, Inc., prepared this report on behalf of Equiva Services <br /> LLC (Equiva) to document field activities during a product piping repair project at the above <br /> referenced site (Figures 1 & 2). Cambria performed inspections and soil sampling associated <br /> with the repair of the product piping near the northwestern fuel dispensers. <br /> SITE CONDITIONS <br /> The site is located at the southeast corner of the intersection of Moreland Court and <br /> Hammer Lane in an agricultural/residential area of Stockton, California (Figures 1 and 2). <br /> The site is an active Shell-branded service station with a layout including a station building, a <br /> waste oil tank, two dispenser islands, and underground fuel storage tanks (USTs). <br /> A leak was detected in the product piping between the USTs and the northwestern dispenser. <br /> Upon inspection of the leaking pipe, it was found that the leak had been contained by the <br /> secondary containment piping, resulting in no spill to the environment. The secondary <br /> containment system routed the leaking fuel back to the USTs. An Equiva contractor (LC <br /> Services) performed the piping repair work. <br /> Oakland, CA SAMPLING ACTIVITIES AND SAMPLE ANALYSES <br /> San Ramon, CA <br /> Sonoma, CA <br /> Two soil samples were collected in the vicinity of the northwestern dispenser island on July <br /> Cambria 31, 2000. One soil sample (DP-4) was collected from native soil (approximately four feet <br /> Environmental below grade) beneath the product piping, and a second soil sample (SP) was collected of the <br /> Technology, Inc. <br /> stockpiled material that had been removed from the excavation. Soil sampling activities <br /> 270 Perkins Street were performed under the direction of an SJCPHS/EHD representative. <br /> P.O.Box 259 <br /> Sonoma,CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />