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Mr. Val F. Siebal -2- October 15, 1992 <br /> (b) Technical Activities Expected in Current Quarter <br /> During the current quarter, October through December 1992, PG&E <br /> plans to submit the draft RI Report incorporating Phase 1 and 2 <br /> results. The Risk Assessment will be submitted concurrently as <br /> agreed to by PG&E and DTSC. <br /> Three rounds of monthly water level measurements will be <br /> conducted, and one round of quarterly water quality samples will <br /> be collected. The third quarter monitoring report will be <br /> prepared and submitted. <br /> (c) Technical Activities Planned for Next Quarter <br /> During the calendar quarter January through March 1993, we <br /> anticipate that the draft Feasibility Study Report will be <br /> submitted to DTSC. We anticipate receiving and responding to DTSC <br /> comments on the RI Report and Risk Assessment, and submitting a <br /> final RI Report soon afterwards. <br /> (d) Problems or Anticipated Problems in Complying with Order <br /> No problems are anticipated in complying with the requirements of <br /> the order. <br /> (e) Results of Analyses Tests or Other Data <br /> The results of the Area I - Phase 2 investigation were received <br /> and tabulated. Low concentrations of PNAs were detected in water <br /> samples from each of the three Phase 2 wells. The Phase 2 results <br /> will be included in their entirety in the RI Report. Monthly <br /> water level measurements and quarterly water quality analyses are <br /> currently being compiled, and appear to be consistent with those <br /> from the RI investigation. <br /> Please call me at (415) 973-1116 if you have any questions or require <br /> additional information on any of the reported activities. <br /> Sincerely, <br /> Yvonne J. Meeks, R.G. , C.E.G. <br /> Manufactured Gas Plant Project <br />