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�! ARCO Products Comp��, Ulgas <br /> 2000 Alameda de <br /> Mailing Address: Box 5811 <br /> San Mateo, California 94402 <br /> Telephone 415 571 2400 <br /> December 19, 1994 <br /> Ms. Linda Turkatte <br /> San Joaquin Co. Public Health Services <br /> Environmental Health Division <br /> P.O. Box 388 <br /> Stockton, CA 95201=0388 <br /> Re: ARCO facility #6080, Lathrop, CA <br /> Dear Ms. Turkatte: <br /> i <br /> I have reviewed the 1992 hydropunch investigation report and concur with your <br /> comments that some hydrocarbon compounds were identified in groundwater <br /> from one of the hydropunch borings (at a concentration of 41 ppb measured in <br /> the diesel range of C-10 to C=22).. This concentration is below the current <br /> Central Valley RWQCB cleanup level for diesel range hydrocarbons. <br /> Please ignore the last sentence of page 2..ARCO is not requesting closure.at <br /> this site. ARCO will continue to perform annual groundwater sampling at this site <br /> as had been previously agreed upon by the County and ARCO. I apologize for <br /> any misunderstanding that was caused by the last sentence'in the report: <br /> Sincerely, <br /> Kyle Christie <br /> cc: Steve Misner, Brown & Caldwell <br /> DEC .2 0 1994 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> APPC-7025-1) <br /> ARCO Products Company Is a DiAsiun of AllanticRlchfleldCompeny (9-88) <br />