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41 Pacific Gas and Electric, Company Environmental Services <br /> P.O.Box 7640 �C <br /> San Francisco,CA 94120 <br /> 415/973-7000 J U L 14 1995 <br /> Direct Dial 415/973 <br /> Jul 12, 1994 Telecopy 415/973-9201 <br /> Y ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> James L. Tjosvold, P.E. <br /> Acting Chief, Site Mitigation Branch <br /> California Department of Toxic Substances Control <br /> 10151 Croydon Way, Suite 3 <br /> Sacramento, CA 95827 <br /> Attention: Mr. Fernando Amador <br /> Dear Mr. Tjosvold: <br /> Re: Docket #HSA 90/91/08 - Stockton Former Manufactured Gas Plant Site <br /> Subject: Quarters Summary Report (Second Quarter. 1995) <br /> Pacific Gas and Electric Company (PG&E) submits this second quarter(1995) summary <br /> report for the Stockton Former Manufactured Gas Plant Site (site) in accordance with <br /> Provision 3.7 of the above-referenced consent order. This report summarizes technical <br /> activities conducted by PG&E in compliance with the order from March 31, 1995 to June <br /> 30, 1995 and activities planned for the next quarter. <br /> I. Activities Performed During Previous Quarter: <br /> On January 31, 1995, PG&E submitted the "Phase III Technical Memorandum, Stockton <br /> Former Manufactured Gas Plant Site, Pacific Gas and Electric Company" to the <br /> Department of Toxic Substance Control (DTSC) and the Central Valley Regional Water <br /> Quality Control Board (RWQCB). This Technical Memorandum describes the field <br /> activities and soil and groundwater monitoring results associated with the installation of <br /> six new groundwater monitoring wells and the replacement of one well which occurred in <br /> Fall, 1994. It also describes the results of the pumping test Conducted during the week of <br /> December 5, 1994. <br /> On February 28, 1995, PG&E met with DTSC and the RWQCB to discuss the January, <br /> 1995 Technical Memorandum;PG&E's proposed remediation approach; and PG&E's <br /> requested modifications to the groundwater monitoring program. At the meeting, DTSC <br /> and the RWQCB verbally presented PG&E with their comments on the Technical <br /> Memorandum (which they later submitted in writing in a letter dated March 8, 1995). <br /> PG&E agreed to revise the Technical Memorandum to incorporate DTSC and RWQCB <br /> comments and to submit a new Technical Memorandum by March 14, 1995. <br />