SITE INFORMATION AND CORRESPONDENCE_1998-2000

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LINCOLN CENTER FACT SHEET STOCKTON, CALIFORNIA INTRODUCTION This fact sheet is the third in a series of fact sheets de- g signed to provide information on environmental investiga- tions at Lincoln Center in Stockton,California("the Site"; Figure 1). It discusses ongoing field investigations and upcoming Interim Remedial Actions (IRAs) that will be completed over the next year. These activities are described in detail in the Work Plan for Environmental Investigation Vacum Canter ("Remedial Investigation/Feasibility Study [RI/FS] Work Plan")and the Phase I Interim Remedial Action Gi 100 Detailed Plan("Phase I IRA Detailed Plan").Fact sheets 4O issued in June 1996 and January 1997 provided information Q� about site background,previous investigations,planned field investigations, and future IRAs, and discussed oppor- tunities for public involvement. ppor-tunitiesforpublicinvolvement. d Tetrachloroethene (PCE), a chemical commonly used in dry J 1 M 3 r3 C` cleaning, and its degradation products, trichloroethene 11 u (TCE) and 1,2-di beneath build ngs and p), have been detected in soils beneath buildings and paved areas at the Site. These soils are inaccessible to Lincoln Center mer- chants and the public. Dry cleaning contamination has also been detected in groundwater beneath the Site. Munici- pal groundwater supply wells currently in use in the area, the closest of which is located at Inglewood and Leslie Norman Higgins,et at.,Case No.CIV-S-91-760 DFL Avenues, have not been affected by such contamination. [GGH] [E.D.Cal.] [Levi,J.]). As a result of that litigation, PCE and TCE were also detected in air samples collected the United States District Court,Eastern District of Califor- from inside a vacant building at Lincoln Center. nia("the Court")ordered the SDCDs to investigate and cle up the of LPL In 1991, Lincoln Properties, Ltd. (LPL), the owner and the Regi nal Waterr nation Quality Control Board,under thetCentraland manager of portions of Lincoln Center, sued the owners and Valley Region (RWQCB). To comply with the Court's operators of the three dry cleaning facilities(the Settling Dry orders, Levine-Fricke-Recon Inc. (LFR), the Site Project Cleaning Defendants [SDCDs])to investigate and clean up Manager designated by the SDCDs, prepared the RDFS the dry cleaning contamination (Lincoln Properties, Ltd. v. Work Plan to perform the investigation. A significant investigative effort has been undertaken since Center. The Phase II IRA will be a remedial measure to Fact Sheet No. 2 was issued in January 1997. As of this remove dry cleaning contamination at Lincoln Center in the writing, investigations in support of the RDFS and develop- source areas, as described below. ment of IRAs are being completed. The investigations were designed to collect data on the nature of soils and ground- Activities that are ongoing are the Source Area Investigation, water beneath Lincoln Center and the extent of dry cleaning the Plume Perimeter Investigation,periodic monitoring, and contamination in soil and groundwater beneath the Site. implementation of the Phase I IRA.Additional activities planned final IRA activities will be conducted at the Site in two phases. remedial actiion.Th followinment of gparagraphs prPhase H IRAovide aebrief The Phase I IRA will involve constructing and operating a summary of the ongoing work being conducted at the Site. groundwater extraction and treatment system at Lincoln Words shown in boldface type in this fact sheet are defined in the glossary on page 3.