SITE INFORMATION AND CORRESPONDENCE_1992

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(12) March 12, 1992 : Sharpe' s Groundwater Treatment System Discharge, NPDES Monthly Report for the month of February 1992. (13) March 30, 1992: Sharpe' s Annual Progress Report for the period of January 1 , 1991 through December 31, 1991. (14) April 3, 1992: Sharpe Facility, Agricultural Water Supply Alternative Study, March 1992. (15) April 3, 1992: "Draft" Record of Decision and Response Summary for Groundwater Remedial Work at DDRW Sharpe. Replacement pages were sent out April 9, 1992. (16) April 14, 1992: Sharpe' s Groundwater Treatment System, NPDES Monthly Report for the month of March 1992. b. Meetings with Regulatory Agencies: (1) January 23, 1992: Project Manager' s Meeting at DDRW Sharpe, Building S-4, Conference Room, Lathrop, California. (2) January 27, 1992: Project Manager' s Meeting at DDRW Sharpe, Building S-4, Conference Room, Lathrop, California. All project managers participated in the evening public meeting held at City of Lathrop' s City Council Chambers. c. Other RI/FS Activities: (1) March 1992: Installed additional wells required for performance of Central Area Pump Tests. (2) March - April 1992: Performed Central Area Pump Tests. (3) March - April 1992: Installed injection wells and injection observation wells. Started injection tests. 5. REMEDIAL_, REMOVAL, AND INVESTIGATION ACTIVITIES: Remedial and/or removal activities. a. The North and South Balloon Groundwater Treatment Systems continued to operate during this report period. More details on the operation of the system are included in the monthly NPDES Report. b. New extraction wells NC-2R and NC-3R were connected to the North Balloon Groundwater Treatment System during the quarter. 6. REMEDIAL, REMOVAL, AND INVESTIGATION ACTIVITIES: Other Activities - 25 March 1992: Meeting with (Mr. Fred Bosley, William Lyon Company, and Mr. Russ Mensen, Verner Construction Company) representatives from Lyon Communities Property west of Sharpe.