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Pacific Cas and Electric, Company Environmental Services <br /> PO Box 7640 <br /> San Francisco, CA 94120 <br /> 415/973-7000 <br /> Direct Dial 415/973- <br /> January 31, 1995 Telecopy 415/973-9201 <br /> rn <br /> Mr. Anthony J. Landis, P.E. <br /> Chief, Site Mitigation Branch <br /> California Environmental Protection Agency <br /> 10151 Croydon Way, Suite 3 ='A <br /> Sacramento, CA 95827 �.. <br /> J <br /> Attention: Mr. Fernando Amador <br /> r-nq <br /> o <br /> Dear Mr. Landis: <br /> Re: Docket #HSA 90/91-008 - Stockton Former Manufactured Gas Plant Site <br /> Attached please find two copies of the"Phase III Technical Memorandum, Stockton <br /> Former Manufactured Gas Plant Site, Pacific Gas and Electric Company", dated January <br /> 31, 1995, which was prepared by Pacific Gas and Electric Company's (PG&E's) <br /> consultant, CH2M HILL. This report is being submitted under the above referenced <br /> order. <br /> This Technical Memorandum describes field activities and soil and ground water <br /> monitoring results associated with the installation of six new groundwater monitoring <br /> wells (one in Zone A, two in Zone B and three in Zone C) and the replacement of one <br /> existing well in Zone A at PG&E's Stockton Former Manufactured Gas Plant Site. These <br /> wells were installed in accordance with the"Final Workplan, Phase III Groundwater <br /> Investigation, PG&E Former Manufactured Gas Plant Site, 535 Center Street, Stockton, <br /> California, DHS Order HSA 90/91-008", dated July 20, 1993. The Technical <br /> Memorandum also describes the results of an aquifer pumping test conducted in Zone B <br /> during the Phase III groundwater investigation. <br /> I will be calling your staff and the Central Valley Regional Water Quality Control Board <br /> staff to arrange a meeting to discuss the attached Technical Memorandum and the <br /> Feasibility Study (which is due on or about March 29, 1995). <br /> If you have any comments or questions regarding the attached Technical Memorandum, <br /> please call me at (415) 973-6254. <br /> Patricia Sullivan <br />