SITE INFORMATION AND CORRESPONDENCE_1998-2000

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. ___. • • BUR LEVINE•FRICKE April 30, 1999 4111.90-001 TO: PARTIES ON THE ATTACHED DISTRIBUTION LIST Subject: Draft Bimonthly Letter Report for February I through March 31, 1999, Lincoln Center, Stockton, California • Dear Interested Parties: On behalf of the Settling Dry Cleaning Defendants, LFR Levine-Fricke (LFR) presents this letter report summarizing activities for the period of February 1 through March 31, 1999 ("the bimonthly period") at Lincoln Center, located in Stockton, California ("the Site," as defined in the "First Final Consent Decree Order, Judgment and Reference To Special Master," filed with the Court on January 19, 1996). The information in this letter report is provided pursuant to Sections IV(A)(1)(f) and IV(F) of the "Permanent Injunction Governing Investigation, Monitoring, and Testing of the Hazardous Substance Contamination at and Emanating from Lincoln Center and Order of Reference to Special Master," issued by Judge Levi of the United States District Court, Eastern District of California, and filed on August 16, 1993. Ongoing Data Collection and Field Activities The following data collection and field activities were conducted at the Site during the bimonthly period. The scope of work for these activities was discussed in advance with Lincoln Properties, Ltd. (LPL); the Regional Water Quality Control Board, Central Valley Region (RWQCB); and the San Joaquin County Public Health Services, Environmental Health Division (SIC PHS/EHD), where applicable. Quarterly fluid levels were measured and groundwater samples were collected from February 21 through 26, 1999. Groundwater elevation data and analytical results of these samples will be presented in the first quarter 1999 groundwater monitoring report to be submitted to the RWQCB in May 1999. One B-zone monitoring well was installed on Gunton Way (MW-212B) from February 2 through 5, 1999, as part of the Plume Perimeter Investigation (Location 23 on Figure 1). All newly installed remedial investigation cone penetration testing/push-in polyvinyl chloride piezometer (CPT/PIPP) borings and monitoring wells were surveyed on February 10, 1999. Fluid levels in selected groundwater wells were measured for the purpose of assessing the effectiveness of groundwater extraction well capture on February 10, 1999. 1900 Powell Street, 12th Floor, Emeryville, California 94608-1827 • (510) 652-4500 • fax (510) 652-2246 • www.Ifr.com Offices Worldwide