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FIR <br /> McClelland consultants <br /> November 19, 1990 <br /> Project No. 0901-1640 <br /> Ogden Environmental Services <br /> 10955 John Jay Hopkins Drive <br /> San Diego, California 92121 <br /> Attention: Mr. Chris Gable <br /> Groundwater Sampling Report <br /> (October 1990) <br /> Stockton Soil Treatment Facility <br /> Introduction <br /> Presented in this report are the results of groundwater sampling conducted at the Stockton Soil <br /> Treatment facility(Plate 1). A groundwater monitoring program was implemented at the request of Ogden <br /> to meet the requirements set forth in the California Administrative Code (C.A.C.)Title 23,Subchapter 15, <br /> relative to water quality monitoring for classified waste management units. In accordance with the <br /> groundwater monitoring plan and C.A.C. Title 23, Subchapter 15 requirements, this report presents the <br /> results of our groundwater sampling for the month of October. <br /> Background <br /> The existing contaminated stockpile at the site was constructed in October 1988, as part of the <br /> former Tillie Lewis Foods Cannery Site Remediation. The stockpile has previously contained soil <br /> contaminated with#6 fuel oil from the former Tillie Lewis site remediation project. The Stockton Soils <br /> Treatment Facility has been permitted by the Stats of California to accept and treat hydrocarbon <br /> contaminated soil that is not included on the Federal, EPA RCRA list of hazardous wastes and, <br /> additionally is not a listed waste. <br /> McClelland installed and sampled three groundwater monitoring wells at the facility in July <br /> through August 1990 (see Plate 2). Results of the initial sampling were provided in our report dated <br /> September 5, 1990. No petroleum hydrocarbons were detected in any soil or groundwater samples <br /> collected during the installation of the wells. Trace levels of lead below the State Maximum Contaminant <br /> Level(MCL)were detected in well samples from MW-2 and MW-3. Monthly groundwater sampling was <br /> initiated in September 1990(see report dated October 15, 1990). No petroleum hydrocarbons or lead were <br /> detected in the groundwater samples collected during the September sampling. <br /> McClelland Consultants(West),Inc <br /> 2140 Eastman Avenue,Ventura,California 93003 <br /> (805)644-5535, FAX (805)642-4791 1641 <br /> A member of the Fugro-McClelland group of companies <br />