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California Rional Water Quality �ontrol Board <br /> Central Valley Region b e <br /> Robert Schneider,Chair <br /> Winston H.Hickox Gray Davis <br /> Secretary for Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.swrcb.ca.gov/mgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 12 October 2001 <br /> Mr. Dale Gillespie <br /> Geweke Land Development and Marketing <br /> PO Box 1210 <br /> Lodi, CA 95241 <br /> ADDITIONAL SITE ASSESSMENT WORKPLANAPPROVAL <br /> GEWEKE PROPERTY, 16 SOUTH CHEROKEE LANE,LODI,SAN JOA QUIN COUNTY <br /> CLEANUP AND ABATEMENT ORDER (C&A)NO. 93-701 <br /> I reviewed the 24 September 2001 Additional Site Assessment Work Plan—September 2001 (Workplan) <br /> submitted by Advanced GeoEnvironmental,Incorporated(AGE)on behalf of Geweke Land Development and <br /> Marketing(Geweke). AGE proposes to complete four cone penetrometer testing(CPT)borings on-site to define <br /> the vertical extent of groundwater contamination, and install one off-site monitoring well to monitor the extent of <br /> site contaminants. <br /> I discussed the CPT locations with AGE on 11 October 2001, and agreed that one off-site CPT,and two on-site <br /> CPTs would be sufficient to define the vertical extent of groundwater contamination at this time. It was also <br /> agreed that the off-site monitoring well should be proposed once data from all the CPT borings are received and <br /> reviewed. The Workplan is approved with the following additions and comments: <br /> • Eliminate the CPT boring proposed east of MW-3; <br /> • Complete one CPT boring in the area of the former UST and dispensers; <br /> • Complete one CPT boring near the proposed monitoring well location south of MW-12; <br /> • Analyze all groundwater samples collected by EPA Method 8260B including fuel oxygenates and <br /> additives and report all peaks; and <br /> • Submit a letter report of findings with CPT data,results of groundwater analyses, and a proposed well <br /> construction design for the off-site monitoring well. <br /> Please notify me at least two business days prior to any site work or sampling. If you have any questions or <br /> ,,zornments,please call me at(916)255-3115. <br /> Marty Hartzell,R.G. <br /> Associate Engineering Geologist <br /> cc: Mr. Mark Owens,UST Cleanup Fund, SWRCB, Sacramento <br /> Mr. Harlin Knoll, San Joaquin County Environmental Health Division, Stockton <br /> Mr.Brian Millman, Advanced GeoEnvironmental, Incorporated, Stockton <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our web-site at http://www.swrcb.ca.gov/mgcb5 <br />