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California RGional Water Quality Cotrol Board <br /> Central Valley Region Y <br /> Peter M.Rooney Sacramento Main Office Ed J.Schnabel <br /> Secremryfor bdemet Address: http://ww cb.mgovi-gcb5/home.Wn-d Chair <br /> Environmental 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Protection Phone(916)255-3000•FAX(916)255-3015 <br /> 16 December 1998 <br /> Mr. Donald T. Bradshaw <br /> c/o Jac Anderson <br /> Levine Fricke Recon, Inc. <br /> 1900 Powell Street, 12th Floor <br /> Emeryville, CA 94608-1827 <br /> RESULTS OFADDITIONAL CPT INVESTIGATIONAND PROPOSED ADDITIONAL <br /> INVESTIGATION, LINCOLN VILLAGE CENTER, SANJOAQUINCOUNTY <br /> Board staff have reviewed the 8 December 1998 Results of Additional CPT Investigation and Proposed <br /> Additional Investigation, Lincoln Center, Stockton, California submitted by LFR-Levine Fricke (LFR) <br /> for the Settling Dry Cleaning Defendants. This report documents the results of the additional cone <br /> penetration testing and push-in-polyvinyl chloride piezometer (CPT/PIPP) testing conducted in <br /> September and October 1998. The report also proposes to construct monitoring wells in the A- and B- <br /> zone aquifers at locations 21, 22 and 23 based on the results of the additional CPT/PIPP testing. <br /> We hereby accept the report and approve the proposed additional monitoring wells with one condition: <br /> The upgradient B-zone monitoring well proposed at location 21 shall be moved further east to the area of <br /> CPT 248. This is needed so that the upgradient B-zone monitoring well is closer to the western non- <br /> detection boundary. Please include the report on the installation and sampling of the additional <br /> monitoring wells in the 15 February 1999 Annual Monitoring Report. If you have any questions, you <br /> may call me at (916) 255>i977 or Wendy Wyels at (916) 255-3080. <br /> HIT CUSTIS <br /> Associate Engineering Geologist <br /> cc: San Joaquin County Environmental Health, Stockton <br /> Mr. A.J. Birkbeck, ESQ., Fulcrum Environmental Law, Oak Park, IL <br /> Ms. Anne Farr, Farr Associates, Granite Bay <br /> Mr. John Gregory, Esq., LeBoeuf, Lamb, Greene&MacRae, San Francisco <br /> Mr. Wilbur Smith II, Esq., Lincoln Properties, Ltd;, Stockton <br /> Mr. Barry Williams, Esq., JAMS/ENDISPUTE, San Francisco <br /> KHC:hm20513u.doc <br /> California Environmental Protection Agency <br /> Qd Recycled Paper <br />