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ACTON <br /> MICKELSON <br /> ENVIRONMENTAL, INC. <br /> Consulting Scientists, Engineers, and Geologists <br /> June 24, 2003 D Via Overnight Mail <br /> Ms. Devra Lewis <br /> Private Sites Cleanup Unit SUN 9. 5 2003 <br /> California Regional Water Quality Control Board <br /> Central Valley Region a4wkOR, - HEALTH <br /> 3443 Routier Road, Suite A P&AM;Ifoc ICES <br /> Sacramento, California 95827-3003 16014.01/7 <br /> Subject: Additional Investigation and Monitoring Well Installation Report <br /> Former Georgia-Pacific Corporation Chemical Packaging Facility <br /> 75 West Valpico Road,Tracy, California <br /> Dear Ms. Lewis: <br /> Enclosed is the Additional Investigation and Monitoring Well Installation Report (report) describing <br /> work recently completed at the former Georgia-Pacific Corporation Chemical Packaging Facility in <br /> Tracy, California (site). The collection of five grab ground water samples and the installation of <br /> two monitoring wells in areas upgradient of monitoring well MW-21 are described in the report. The <br /> field work described in the attached report identified a potential upgradient area of chloroform <br /> concentration and defined the upgradient extent of chloroform in ground water. <br /> Georgia-Pacific Corporation would like to schedule a meeting with you to discuss the results of the <br /> recent investigation and plans for further action at the site on the morning of July 9, 2003, or if this <br /> date is unacceptable on either August 6 or 7, 2003. Please contact Ms. Barbara Mickelson or <br /> Mr. Robert Hammond at (916) 939-7550 to confirm the meeting date or should you have any <br /> questions regarding the report. <br /> Very truly yours, <br /> ACTON• MICKELSON • ENVIRONMENTAL, INC. <br /> uv_11l <br /> &4� '� �� <br /> r Robert L. Hammond arbara rc el�g' n, P.E. <br /> j Project Engineer California Registered Professional <br /> Engineer#43417 <br /> RLH:BJM:ddb <br /> Enclosure <br /> cc w/encl.: Ms. Julie Raining, Georgia-Pacific Corporation <br /> Mr. Michael Infuma, San Joaquin County, Environmental Health Department <br /> CAWP\2003 Letters\03-184.do <br /> 5175 Hillsdale Circle,Suite 100 (916)939-7550 <br /> EI Dorado Hills,California 95762 Fax(916)939-7570 <br />