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r " <br /> rQuarterly Report - Third Quarter 2002 <br /> • MOORE TRUCK LINES <br /> r3400 Newton Road, Stockton, California <br /> r1.0. INTRODUCTION <br /> I At the request of Mr Enc Weilburg of Moore Truck Lines, Advanced GeoEnvironmental, Inc <br /> (AGE) has prepared this quarterly report for the property located at 3400 Newton Road (site), <br /> Stockton, California The scope of work included conducting a quarterly ground water monitoring <br /> r event and preparation of this report The site and the surrounding area are illustrated in Figure 1 On- <br /> site structures and well locations are illustrated on Figure 2 <br /> r Background information, well installation and ground water monitoring procedures for the site are <br /> summarized in the AGE-prepared documents, Preliminary Investigation and Evaluation Report, <br /> dated 15 September 1999, Monitoring Well Installation Work Plan, dated 23 May 2001 and <br /> r Monitoring Well Installation & Quarterly Report- Third Quarter 2001, dated 26 November 2001 y <br /> Ground water sample data from November 1999 to the present are summarized in Tables 3 and <br /> of this report <br /> r <br /> . 2.0. PROCEDURES <br />' Four ground water monitoring wells (MW-1 through MW-4) and domestic well DW-1 were <br /> monitored and sampled on 29 August 2002 Field work was performed in accordance with Central <br /> rValley Regional Water Quality Control Board (RWQCB) guidelines for investigations of <br /> underground storage tank (UST) sites <br /> r <br /> 2 1 WELL MONITORING AND EVACUATION <br /> rOn 29 August 2002, a Solinst water level meter was used to measure the depth to ground water in <br /> monitoring wells MW-1 through MW-4 relative to the tops of the well casings (well heads) After <br /> r water levels were gauged, disposable plastic bailers were used to evacuate (purge) MW-2, MW-3 <br /> and MW-4 of a minimum of three casing-water volumes(approximately 2 5 gallons)of water,MW- <br /> 1 was found to be dry Temperature, pH, and conductivity were measured at regular intervals using <br /> r an Oakton water analyzer The held data sheets are included in Appendix A Purged water was <br /> stored on site in 55-gallon drums <br /> r22 COLLECTION AND ANALYSIS OF GROUND WATER SAMPLES <br /> rWater samples were collected from monitoring wells MW-2 through MW-4 using new plastic bailers <br /> . after allowing the wells to achieve a minimum 80% recovery of the pre-purge water volume In <br /> addition, a water sample was collected from domestic well DW-1 after the well purge valve was <br /> rAdvanced GeoEnvironmental,Inc <br /> r <br />