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California R*ional Water Quality *ntrol Board <br /> Central Valley Regionrl <br /> Peter M. Rooney Sacramento Main Office Ed J.Schnabel <br /> Secretaryfor Internet Address: http9/ww eb.mgov/- gcbS/homeldnil Chair <br /> Environmental 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Protection Phone(916)255.3000-FAX(916)255-3015 <br /> 18 August 1998 <br /> Mr. Donald T. Bradshaw <br /> c/o Jae Anderson <br /> Levine Fricke Recon, Inc. <br /> 1900 Powell Street, 12th Floor <br /> Emeryville, CA 94608-1827 <br /> DRAFT PHASE II IRA SOIL VAPOR EXTRACTION PILOT TEST WORKPLAN, LINCOLN <br /> VILLAGE CENTER, SAN JOA QUIN COUNTY <br /> I have reviewed the 30 July 1998 Draft Phase HInterim RemedialAction Soil-Vapor Extraction Pilot <br /> Test Work Plan, Lincoln Center, Stockton, California submitted by Levine Fricke Recon for the Settling <br /> Dry Cleaning Defendants. This work plan proposes to conduct a soil vapor extraction(SVE) pilot test in <br /> the area north of the former Hollywood Video and south of West Benjamin Holt Drive. Eleven SVE <br /> monitoring wells and two SVE extraction wells will be installed. Seven tests will be done to determine <br /> SVE design parameters. <br /> The work plan is approved provided that the total porosity and moisture content of the soils in the SVE <br /> zone of influence are determined either through sampling during well installation or from previous <br /> sampling events. These parameters are needed to determine of the percentage of pores available to vapor <br /> flow and to calculate air permeability. Results of the SVE pilot test shall be submitted with the proposed <br /> Phase II Soil IRA Detailed Plan due on 9 January 1999. <br /> If you have any que . ns, you may call me at(916)255-3077. <br /> KIT CUSTIS <br /> Associate Engineering Geologist <br /> cc: 4Mn Joaquin County Environmental Health, Stockton <br /> Mr. A.J. Birkbeck, ESQ., Fulcrum Environmental Law, Oak Park, IL <br /> Ms. Anne Farr, Farr Associates, Folsom <br /> Mr. John Gregory, Esq., LeBoeuf, Lamb, Greene&MacRae, San Francisco <br /> Mr. Wilbur Smith U, Esq., Lincoln Properties, Ltd., Stockton <br /> Mr. Barry Williams, Esq., JAMS/ENDISPUTE, San Francisco <br /> KHCom:u:20513q.doc <br /> California Environmental Protection Agency <br /> Va Recycled Paper <br />