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California Ronal Water Quality •ntrol Board <br /> Central Valley Region <br /> Peter M.Rooney Sacramento Main Office Ed I Schnabel <br /> Secretaryfor Intcmet Address: http://www.swrcb.ca.gov/—mgcb5fhome.htm] Chair <br /> Environmental 3443 Routier Road,Suite A,Sacramento,California 95827-3,)0,03 <br /> Protection Phone(916)255-3000•FAX(916)255-3015 / . <br /> 3 <br /> 5 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 REVISIONS TO THE QUARTERLYMONITORING PLAN,LINCOLN CENTER, SAN <br /> JOA QUIN COUNTY <br /> I have reviewed the 22 May 1998 Draft Quarterly Monitoring Plan, Revision No. 2 submitted for the <br /> Lincoln Center by Levine Fricke Recon for the Settling Dry Cleaning Defendants. This report updates <br /> the 8 April 1997 quarterly monitoring plan (QMP) to include 17 additional and remove two groundwater <br /> monitoring wells. Changes in the QMP include modifying the designation number of older wells to <br /> comply with the 3-digit numbering system, reducing the frequency of groundwater level measurements <br /> from monthly to quarterly, removing well MW-011A from chemical sampling, removing abandoned <br /> well MW-21B from the monitoring program, removing 10 wells from the NAPL thickness measurement <br /> program due to the historic concentrations of hazardous substances less than 1,000 µg11, and adding <br /> semiannual sampling of the City of Stockton's well number 11 to the plan. Modifications to the <br /> reporting requirements include adding a table that shows the concentrations of all detected volatile <br /> organic compounds in groundwater, adding a figure that shows quarterly tetrachloroethylene (PCE) and <br /> hazardous substances concentrations for monitoring wells in each water bearing zone, and adding graphs <br /> of PCE and water level elevations versus time in the first quarter monitoring report of each year. Theo <br /> revisionstothe QMP are approved. <br /> KIT CUSTI <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, Folsom <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\dlk\u:\20513n.doc <br /> California Environmental Protection Agency <br /> C4 Recycled Paper <br />