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"( Zo <br /> 2701 Prospect Park Drive <br /> Suite 100 <br /> Rancho Cordova CA 95670-6025 <br /> Tel (916)444-0123 <br /> Fax (916)635 8805 r s I <br /> 1 I r <br /> April 17, 2001 <br /> Mr Terry Tarditi <br /> T &T Trucking, Incorporated <br /> 1 W N A N 11396 North Highway 99 <br /> 1 L 1 W E L L Lodi, California 95240 017-16271-001/1 <br /> Environmental Engrneerrng&ConslilGng <br /> Subject First Quarter 2001 Groundwater Monitoring Report, <br /> 11396 North Highway 99, Lodi, California <br /> Dear Mr Tarditi <br /> This letter report transmits results of a groundwater monitoring event for the <br /> referenced site A copy of this report is being submitted to the San Joaquin <br /> County Public Health Services Environmental Health Division (PHS/EHD) <br /> Quarterly sampling and reporting is required by the PHS/EHD as outlined in <br /> their April 12, 1999 letter to T&T Trucking The next monitoring event is <br /> scheduled for April 2001 <br /> Work Performed This Quarter (January - March 2001). <br /> Brown and Caldwell (BC) measured water levels and collected groundwater <br /> samples for the first quarter 2001 on January 19, 2001 This sampling event <br /> follows BC's Workplan for Quarterly Sampling of Monitoring Wells This <br /> Workplan was approved by the San Joaquin County Public Health Services <br /> 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 UST) 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 /> I <br /> This report was prepared in accordance with the standards of the environmental consulreng Industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared,and then only to the extent of <br /> the scope of work which was authorized Thu report does not guarantee that no addtttonal enviranmental contaminatton <br /> beyond that described in this report exists at the site <br /> 04/17/011?\16000\16271\Repons\1stC1gw d« <br />