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,R���j <br /> Working To Restore Nature <br /> i <br /> 3164 Gold Camp Drive,Suite 200 <br /> Rancho Cordova,CA 95670 <br /> Phone (916)852-6690 <br /> FAX (916) 852-6688 <br /> i <br /> PRELIMINARY INVESTIGATION <br /> and <br /> i EVALUATION REPORT <br /> for <br /> ARCO Service Station No 2076 <br /> 800 East Kettleman Lane <br /> Lodi, California <br /> For ARCO Products Company <br /> INTRODUCTION <br /> At the request of ARCO Products Company (ARCO), RESNA Industries (RESNA) <br /> conducted a subsurface environmental investigation at ARCO Service Station No 2076 in <br /> Lodi, California This investigation included drilling eleven soil borings, installing four <br /> ground-water monitoring wells and four vapor-extraction wells in the borings, and collecting <br /> and analyzing soil and ground-water samples for the presence of hydrocarbon constituents <br /> Previous investigations included a preliminary tank replacement assessment and removal <br /> of underground storage tanks and product lines Data gathered during this investigation and <br /> previous investigations were used to evaluate the extent of residual hydrocarbons in soil, <br /> assess whether ground water underlying the site has been affected by petroleum <br /> hydrocarbons, and evaluate the ground-water flow direction and gradient <br /> 3M-s <br />