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A plied stems,Tac. --. ..._..___.._._, <br /> A RESNA Company <br /> Environmental Solutions <br /> Through Applied Science, <br /> 3164 Gold Camp Drive, Suite 200 Engineering&Construction <br /> Rancho Cordova, CA 95670 <br /> Phone (916) 852-6690 <br /> FAX (916) 852-6688 <br /> Fly <br /> September 16, 1991 <br /> Mr. Chuck Carmel <br /> ARCO Products Company <br /> P.O. sox 5811 <br /> San Mateo, California 94402 <br /> Subject: Executive Summary For Interim Soil Remediation Work Plan at ARCO <br /> Service Station No. 2076, 800 Kettleman Lane, Lodi, California. <br /> Mr. Carmel: <br /> ARCO Products Company (ARCO) plans to replace the existing single- walled steel <br /> underground-storage tanks with double-walled fiberglass tanks at the subject site to comply <br /> � E7 with State and local regulations. The tank replacement is planned in conjunction with <br /> ARCO's facility upgrade and is not in response too a known spill or leak at the site. If soil <br /> samples collected beneath the tanks during tank removal contain gasoline, the soil will be <br /> treated until concentrations of hydrocarbon's acceptable to State and local agencies. Soil <br /> containing gasoline hydrocarbons is commonly remediated by two methods: removal by <br /> f excavation and subsequent disposal at the appropriate facility or in-place treatment by vapor <br /> extraction. <br /> ARCO Service Station No. 2076 is on the southwest corner of Highway 99 and Kettleman <br /> Lane in Lodi, California. The location of the site is shown on the attached Site Vicinitv <br /> r <br /> Map (Plate 1). The site configuration is shown on the Generalized Site Plan (Plate 2). <br /> Previous Work <br /> At the request of ARCO, Applied GeoSystems, Inc./RESNA Industries (RESNA) has <br /> conducted two drilling events at the subject site to collect subsurface data to evaluate the <br /> condition of the soil at the site. The work was co ducted according to work plans approved <br /> by the San Joaquin County Public Health Services, Environmental Health Division <br /> (SJCPHS-EHD). <br /> In October 1990, RESNA (formerly Applied G oSystems, Inc.) drilled three soil borings <br /> near the existing tank cavity and two soil borings in the area of the proposed tank cavity to <br /> evaluate the soil for the presence of hydrocarbons. Results of laboratory analyses indicated <br />