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Y <br /> 1 <br /> Advanced <br /> 1 I��'4 ilI r7 <br /> GeoEnvironmentall, inc.-'. 7 . = <br /> � f• <br /> of Northern Caltforntn 53 <br /> 06 May 1996 <br /> AGE NC Project No 95-0173 <br /> Ms Mary Meays <br /> SAN JOAQUIN COUNTY PHS-EHD <br /> P O Box 388 <br /> Stockton, CA 95201-0388 <br /> Subject: Addendum to Work Plan, dated 18 October 1995 <br /> California Fuels Cardlock Station <br /> 2402 Pacific Avenue, Stockton, California <br /> Dear Ms Meays <br /> On 12 March 1996, three 10,000 gallon underground storage tanks(USTs) were removed from the <br /> above referenced site Soil samples collected beneath tank #1 and tank # 2 revealed substantial <br /> petroleum hydrocarbon contamination at an approximate depth of 17 and 18 feet, respectively <br /> A Work Plan (dated 18 October 1995) was previosly submitted to the San Joaquin County Public <br /> Health Services-Environmental Health Division (PHS-EHD) for this site Because soil samples <br /> suggested substantial petroleum hydrocarbons beneath UST Nos 1 & 2, we still propose to advance <br /> five soil borings at the site Depending upon site conditions encountered in the field at the time of <br /> drilling, we propose that a maximum of three soil borings be converted into ground water monitoring <br /> wells Proposed soil boring and monitoring well locations are depicted with Figure 2 - Site Plan <br /> We have tentativley scheduled drilling activities for 4 & 5 June 1996 If you have any questions or <br /> require further information, please contact our office at (209) 956-0264 <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> t-\ A <br /> J , <br /> Timothy J CuAar <br /> Staff Geologist <br /> Enclosures <br /> . cc Mr David Atwater - California Fuels Cardlock Station <br /> 1803 West March Lane, Suite A, Stockton,California 95207 <br /> Telephone(209)956-0264 FAX(209)956-0700 <br />