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I <br /> IQuarterly Report - January 2001 <br /> • WATERLOO FOOD & FUEL <br /> 3032 E. Waterloo Road, Stockton, California <br />' 1.0. INTRODUCTION AND SCOPE OF WORK <br />' At the request of Mr Paul Sidhu, Advanced GeoEnvironmental, Inc (AGE) has prepared this <br /> quarterly report for the site located at 3032 E Waterloo Road, Stockton, California (site) The <br /> location of the site is illustrated in Figure 1 The locations of structures and monitoring wells on the <br />' site are depicted in Figure 2 The scope of work reported herein was performed on 05 January 2001 <br /> when a quarterly ground water monitoring event was performed <br />' Site history and findings from previous investigations and monitoring events at the site are detailed <br /> in AGE's report titled Preliminary Investigation and Evaluation Report, dated 14 December 2000 <br /> Historical ground water monitoring results are included in the tables of this report <br /> 2.0. PROCEDURES <br />' Tasks and procedures for this investigation were completed in accordance with the PHS-EHD <br /> approved Preliminary Site Assessment Work Plan, dated 12 October 1999 and prepared by AGE <br />' . This report is prepared in accordance with guidelines established by the California Regional Water <br /> Quality Control Board - Central Valley Region (CRWQCB-CVR) and PHS-EHD for subsurface <br /> investigation and ground water monitoring well sampling of underground storage tank(UST) sites <br /> 1 <br />' 2 1 QUARTERLY MONITORING AND SAMPLING PROCEDURES <br /> On 05 January 2001, depth to ground water was measured in each well from the tops of the well <br />' casings at the site to the nearest 0 01-foot utilizing a Sol nst water level meter The ground water <br /> elevation in each well at the site was calculated by subtracting the measured depth to ground water <br /> from the surveyed well-head elevation (Table 1) Ground water elevations were plotted and <br />' contoured on a scaled site map <br /> After water levels were measured, approximately 7 to 7 5 gallons of ground water (a minimum of <br />' three casing water-volumes per well) were removed from the wells utilizing a submersible pump <br /> Temperature, pH and conductivity were measured for stabilization at regular purge-volume intervals <br /> using a Hydac water analyzer Field data and logs are included with Appendix A Purged ground <br />' water was containerized in 55-gallon drums and was stored on-site in an area lacking general public <br /> access <br /> Advanced Geohnvironmental,Inc <br />