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2701 Prospect Park Drive <br /> .� Rancho Cordova California 95670 <br /> Tel (916)444-0123 <br /> Fax (916)635-8805 <br /> www brownandcaldwell com <br /> WED <br /> i o <br /> January 23,2003 <br /> JA N P 7 2003 <br /> ROW ENV/RC>'&V'EtV�HEALTH <br /> CALDWELL PERMITi8ERVICES <br /> �= Mr Terry Tardiu <br /> T&T Trucking,Incorporated <br /> 11396 North Highway 99 <br /> Lodi, California 95240 017-21417-001/1 <br /> Subject Fourth Quarter 2002 Groundwater Monitoring Report, <br /> 11396 North Highway 99,Lodi, California <br /> Dear Mr Tarchn <br /> This letter report transmits results of the fourth quarter 2002 groundwater <br /> monitoring events for the referenced site A copy of this report is being submitted <br /> to the San Joaquin County Public Health Services Environmental Health Division <br /> (PHS/EHD) Quarterly sampling and reporting is required by the PHS/EHD, as <br /> outlined in their April 12, 1999 letter to T&T Trucking The next monitoring event <br /> is scheduled for February 2002 and the report is due April 2003 <br /> Work Performed These Quarters (October- December 2002) <br /> Brown and Caldwell (BC) measured water levels and collected groundwater <br /> samples for the fourth quarter on November 7, 2002 is sampling event follows <br /> BC's Workplan for Quarterly Sampling of Monitoring Wells This Workplan was <br /> approved by the PHS/EHD <br /> Status of Investigation and Cleanup Activities <br /> On November 19, 2002 BC, yourself, and a representative of the PHS/EHD met to <br /> discuss the status of this site and further investigation requirements The PHS/EHD <br /> requirements are outlined in their letter to T&T Trucking dated January 3, 2002 <br /> Further work includes vertical and lateral soil and groundwater delineation, supply <br /> well protection, sensitive receptor identification, and the installation of additional <br /> monitoring wells <br /> Four groundwater monitoring wells have been installed at the site as shown in <br /> Figure 1 Known groundwater contamination extends from the former source <br /> area (4,000-gallon UST) to beyond the most southerly well (MW-3) <br /> \\BciacOl\Projects\21000\21417\11eports\Final 4th 02gtr doc <br /> E n v i r o n m e n t a l E n g i n e e r s e5 C o n s u l t a n t s <br />