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Mr. Val F. Siebal -2- April 15, 1992 <br /> (b) Technical Activities Expected in Current Quarter <br /> During the current quarter, April to June 1992, PG&E plans to <br /> complete the Draft RI Report for submittal to DTSC on July 13. <br /> Phase 2 RI/FS field activities will be conducted, as agreed to by <br /> PG&E and DTSC. Three rounds of monthly water level measurements <br /> will be conducted, and one round of quarterly water quality <br /> samples will be collected. A contractor will be selected to <br /> construct the concrete cover on Hazelton Avenue, and construction <br /> will begin in May. PG&E will begin preliminary analyses for the <br /> Risk Assessment and Feasibility Study. <br /> (c) Technical Activities Planned for Next Quarter <br /> During the calendar quarter July to September 1992, PG&E will <br /> submit the Draft RI Report to DTSC. We anticipate receiving and <br /> responding to DTSC comments on this document, and submitting a <br /> final RI Report in September. Work on the Risk Assessment and <br /> Feasibility Study will proceed, and we plan to submit the Draft <br /> Risk Assessment near the end of the quarter. Fact Sheet lit <br /> describing the results of the RI will be prepared and distributed <br /> to the community. <br /> (d) Problems or Anticipated Problems in Complying with Order <br /> No problems are anticipated in complying with the requirements of <br /> order. Regular monthly meeting between PG&E and DTSC staff have <br /> facilitated communications and the progress of project activities. <br /> (e) Results of Analyses Tests or Other Data <br /> The results of the RI and IRM field investigations were received <br /> during the current quarter. The IRM results summarized in PG&E's <br /> January 15 report and February 6 letter show detectable levels of <br /> PNAs in surface soils on the Hazelton Avenue strip. The RI soil <br /> sampling results from Area III ind4cate no elevated levels of <br /> target compounds. Other RI soil and groundwater results are <br /> currently being reviewed and compiled. <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 />