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• 28 April 2005 <br /> AGE-NC Project No 97-0351 <br /> Page 6 of 11 <br /> Laboratory reports for soil and ground water analysts, testing methods, laboratory quality <br /> assurance/quality control (QA/QC) reports, and sample chain of custody documentation will be <br /> presented in a report of findings and recommendations <br /> 3 3 MONITORING WELL INSTALLATION <br /> AGE proposes to advance three pilot soil borings at the site in the area of the former eastern UST <br /> location for the installation of shallow ground water monitoring wells <br /> 3 3 1 Drilling and Soil Sample Collection <br /> The three pilot borings will be advanced to a depth of 20 feet bsg using a CME-75HT truck-mounted <br /> drill rig equipped with 8 25-inch hollow-stem augers, the total depth of each well boring may vary <br /> according to geologiclliydrogeologic conditions encountered during drilling Locations ofthe borings <br /> are as follows <br /> - One boring will be advanced approximately 19 feet northeast of the former eastern UST <br /> location on Lindsay Street, <br /> One boring will be advanced approximately 30 feet southwest of the former eastern UST <br /> location on Lindsay Street, inside on-site building`B" (Figure 2), and <br /> One boring will be advanced approximately 48 feet east of the former eastern UST location <br /> on Lindsay Street <br /> Selected soil samples will be analyzed by a State of California Department of Health Services <br /> (DHS)-certified laboratory for the constituents listed in Section 3 2 <br /> Laboratory reports of soil analysis, testing methods, laboratory QA/QC reports, and sample chain <br /> of custody documentation will be presented in a report of findings and recommendations <br /> 3 3 2 Monitoring Well Installation, Development, and Survey <br /> The three pilot soil borings will be completed as single-level ground water monitoring wells screened <br /> from 5 feet to 20 feet bsg Following installation, each well will be developed to maximize water <br /> flow and minimize the amount of fine-grained sediment drawn into the well during pumping or <br /> bailing, and the top of each existing and newly installed well casing(well head)will be surveyed to <br /> . determine its elevation relative to mean sea level <br /> Advanced GeoEnvironmental,Inc <br />