SITE INFORMATION AND CORRESPONDENCE_1987-1992

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i • CLEANUP AND ABATEMENT ORDER -7- LINCOLN PROPERTIES, LIMITED LINCOLN VILLAGE SHOPPING CENTER SAN JOAQUIN COUNTY INTERIM REMEDIAL MEASURES (cont.) FINAL REMEDIAL MEASURES (cont.) 7a Within 30 days of Board approval 9b Within 14 days of the Board's ap- of the IRM Alternative Analysis proval of the Phase IV Work Plan, Report, but in any event no later but in any event no later than 15 than 4 September 1992, submit for February 1993, begin conducting the Board approval a draft 10 percent investigation. design of the approved IRM(s). Lincoln shall base the draft de- 10b Within 120 days of Board approval sign on available soil and ground of the Phase IV Work Plan, but in water data. The design shall spe- any event no later than 25 June cify, but not be limited to, the 1993, submit for Board approval a ground water treatment system, report compiling and interpreting proposed ground water extraction the results of Phase IV of the site well locations and depths, investigation (Phase IV Report). screened intervals, construction Within 30 days of Board comments on details, pumping rates and pre- the report, but in any event no dicted radii of influence. All later than 25 July 1993, submit for soil and ground water analytical Board approval a Final Phase IV data, pumping test analytical pro- Report responding to the Board' s cedures and results, and any other comments. The final investigation data used to develop the design, report (Phase III or Phase IV) shall be appended to the draft shall be named the Final Remedial design. The draft design shall Investigation (RI) Report. address the Board's comments and comply with the Board's recommen- llb Within 60 days of Board approval of dations on the IRM Work Plan. the Final RI Report, submit for Board approval a Feasibility Study (FS) evaluating the economic and 8a Within 60 days of Board approval technical feasibility of cleanup of the 10 percent design, but in alternatives for the contaminated any event no later than 4 December soil and ground water defined in 1992, submit for Board approval the Final RI Report. (1) the 100 percent IRM design and (2) the Report of Waste Discharge The FS shall recommend one or a for Waste Discharge Requirements combination of cleanup remedies and governing land disposal of the remedial action objectives. The treated ground water or an NPDES recommended alternative shall be Permit Application for a permit to consistent with the IRM. discharge the treated ground water to surface waters. The FS shall include the final Risk Assessment. 9a Within 30 days of Board approval of the 100 percent IRM Design, but in any event no later than 5 Febr- uary 1993, submit for Board ap