SITE INFORMATION AND CORRESPONDENCE_1997

Home Browse Search

Pevine-FrickeeRecon ENGINEERS,HYDROGEOLOGISTS 8 APPLIED SCIENTISTS 3. As stated above,all detected chemicals are to be tabulated. We acknowledge the RWQCB's request to tabulate all detected VOCs and will provide the additional tables in all future report, beginning with the fourth quarter 1997 quarterly groundwater monitoring report. 4. The NPDES permit will contain effluent limits for the petroleum chemicals which have been detected at the Chevron Station, Exxon Station, and possibly the Mobil Station. In our comments to the draft Waste Discharge Requirements Order/National Pollution Discharge Elimination System permit for the groundwater treatment system at Lincoln Center, we recommended analyzing groundwater treatment system influent and effluent samples for benzene, toluene, ethylbenzene, and total xylenes (letter to Ms. Pat Leary of the RWQCB, dated December 1, 1997, with copies to Ms. Wyels and Ms. Cohen). 5. The text contains information collected through September 1997,and field work continues to define the entire extent of the groundwater plume. LFR acknowledges this statement. 6. Staff are not commenting at this time regarding the applicability of the Applicable or Relevant and Appropriate Requirements(ARARs)which are listed in Appendix G. LFR acknowledges this statement. 7. The implementation schedule shows that the groundwater treatment system will be fully operational 34 weeks(8.5 months)after the IRA Detailed Plan is approved. Please keep us informed of the progress of system installation through the bimonthly letters and the progress meetings. The status of the Phase I IRA installation and operation will be provided to all parties in the bimonthly reports and will be discussed with the RWQCB and LPL during our monthly Periodic Meetings. REVISED REMEDIAL INVESTIGATION SCHEDULE (5 NOVEMBER 1997 CONFERENCE CALL) 1. We wish to be involved in all "meet and confer" meetings listed on the schedule. We understand that the meetings listed in the schedule are merely included as placeholders and that the meetings occur as needed. We acknowledge the RWQCB's request to participate in all "meet-and-confer" meetings to evaluate and discuss the progress of the project activities. As previously stated, we will continue to plan these meetings to accommodate the RWQCB's schedule, whenever possible. We will also continue to provide the RWQCB with notifications of all field activities, as well as bimonthly status reports, and draft and final documents. LIr-Resp-RWQCB-Dec97-04I I1:SRL 8