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r <br /> t <br /> 2741 Prospect Park Drive <br /> iy Rancho Cordova California 95674 <br /> r 1 <br /> Tel (916)444-0123 R1VzUYZa <br /> Fax (916)635-8805 <br /> • www brown and caldwell com <br /> SEC I 92001 <br /> ENVIRONMENTAL HEALTH <br /> December 17 2001 PERMIT/SERVICES. <br /> Mr Terry Tarditi <br /> ` R 0AND T & T Trucking, Incorporated <br /> 11396 North Highway 99 <br /> Lodi, California 95240 017-21417-001/1 <br /> Subject Fourth Quarter 2001 Groundwater Monitoring Report, <br /> 11396 North Highway 99, Lodi, California <br /> Dear Mr Tarditi <br /> This letter report transmits results of the fourth quarter 2001 groundwater <br /> monitoring event for the referenced site A copy of this report is being <br /> submitted to the San Joaquin County Public Health Services Environmental <br /> Health Division (PHS/EHD) Quarterly sampling and reporting is required <br /> by the PHS/EHD as outlined in their April 12, 1999 letter to T&T <br /> Trucking The next monitoring event is scheduled for January 2002 <br /> • <br /> Work Performed This Quarter (October - December 2001): <br /> Brown and Caldwell (BC) measured water levels and collected groundwater <br /> samples for the fourth quarter 2001 on October 31, 2001 This sampling <br /> event follows BC's Workplan for Quarterly Sampling of Monitoring Wells <br /> This Workplan was approved by the San Joaquin County Public Health <br /> Services Environmental Health Department (PHS/EHD) <br /> Status of Investigation and Cleanup Activities: <br /> Four groundwater monitoring wells have been installed at the site as shown in <br /> Figure 1 Groundwater contamination extends from the former source area <br /> (4,000-gallon USI) to beyond the most southerly well (MW-3) Two additional <br /> groundwater monitoring wells are recommended to further define the lateral <br /> extent of petroleum hydrocarbons to the west and south of MW-3 The <br /> proposed locations are shown on Figure 3 <br /> • Thu report was prepared in accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by partaes other than those for whom it was prepared,and then only to the extent of <br /> the scope of work which was authorized This report does not guarantee that no additional environmental contamination <br /> beyond that described in this report exists at the site <br /> P\21000\21417\Reports\4th-01gtrdoc <br /> E n v i r o n m e n t a l E n g i n e e r s C o n s u l t a n t s <br />