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ARCADIS Ms. Kathy Amaru <br /> May 26, 2011 <br /> equipment rinsate blank will be collected to assess the accuracy and precision of <br /> field sampling methods. <br /> The degree of laboratory accuracy and precision will be established by evaluating <br /> method blanks, laboratory control samples, matrix spike samples and surrogate <br /> quality control sample results. All comments reported by the laboratory will be <br /> reviewed during this evaluation and incorporated into the summary report as <br /> necessary. <br /> Reporting and Schedule <br /> Monitoring well installation, development, and sampling are each anticipated to take <br /> one field day to complete. The implementation schedule for all field events will be <br /> dependent on the availability of a qualified PG&E observer. Following the sampling <br /> event, a letter report will be prepared for submittal to CVRWQCB. The letter will <br /> include a summary of field activities and results, a table and figure showing sample <br /> results and the final well location, and recommendations for either further sampling or <br /> site closure based on analytical results. <br /> If you have any questions or comments regarding the content of this report, please <br /> contact Aaron Costa by telephone at 650-469-7229 or by e-mail at <br /> Aaron.Costa@arcadis-us.com. <br /> Sincerely, <br /> ARCADIS U.S., Inc. <br /> athleen Abbott Aaron Costa <br /> Senior Project Manager Project Manager <br /> Copies: <br /> Robert Gray, PG&E <br /> File <br /> Page: <br /> McD Island Well Install Wakplan_FinaI.DOG 7/8 <br />