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12 August 2003 <br /> AGE-NC Project No. 03-1042 <br /> Page 3 of 3 <br /> Groundwater samples will be collected into laboratory-supplied,40-m1 VOA vials containing 0.5-m1 <br /> of hydrochloric acid as preservative.Following collection the samples will be appropriately labeled, <br /> placed on ice and kept in a cooler until delivered to the laboratory for analysis. Chain-of-custody <br /> protocols will be used to document sample custody transfer from the field to the analytical <br /> laboratory. A chain-of-custody form will accompany the samples. <br /> All sampling tools used for sample collection will be thoroughly washed with a solution of Alconox <br /> and rinsed with clean water prior to use. All down-hole drilling and sampling equipment will be <br /> pressure washed prior to starting each boring. <br /> Upon completion of field work and receipt of final laboratory analysis, a report will be prepared <br /> presenting the findings of the investigation. The report will include a description of the work <br /> performed and the results of the sampling and analysis; the laboratory reports for ground water <br /> analyses,testing methods,laboratory quality assurance/quality control(QA/QC)reports,and sample <br /> chain of custody documentation will be included in an appendix. In addition, conclusions and <br /> applicable recommendations will be included in the report.The report will be in a format acceptable <br /> to the EHD and the Central Valley Regional Water Quality Control Board(CVRWQCB), and will <br /> be reviewed and signed by a California Registered Geologist. <br /> Please contact our office at (209) 467-1006 if you have any questions or comments. <br /> Sincerely, - <br /> Advanced GeoEnvironmental, Inc. 11C` ' <br /> r) <br /> Donna Sexton Calvin F. Lee <br /> Staff Geologist Senior Project Geologist f <br /> California Registered Geologist No. 7327 <br /> cc: Mr. Wiley Chandler <br /> Advanced GeoEnvironmental,Inc. <br />