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C) S E C O R <br /> Ms.Victoria McCartney <br /> September 24, 2004 <br /> Page 3 <br /> Soil Sampling and Analysis <br /> Soil samples will be collected at 5-foot intervals from ground surface to the total completion <br /> depth. Additionally, vapor headspace monitoring will be conducted on collected soil <br /> samples. Soil samples will not be submitted for chemical analysis. <br /> SCHEDULE <br /> SECOR is prepared to initiate fieldwork within 1 to 3 weeks following the approval of this <br /> Work Plan by County. Following the completion of fieldwork and receipt of laboratory data, <br /> a summary report will be prepared. The report will include boring logs, groundwater <br /> analytical data, chain-of-custody records, well construction details, a site map showing <br /> monitoring well locations, and conclusions and recommendations. <br /> If you have any questions or comments regarding the contents of this Work Plan, please <br /> contact either David Evans of SECOR at (916) 861-0400 extension 234 or Robert (Bob) <br /> Cochran of Chevron at (925) 842-9655. <br /> Sincerely, <br /> SECOR International Incorporated <br /> �5 GST.Fogs O� <br /> favid M. Evans �v�CoQ �y ins George T. Forsyth , R.G. <br /> Associate Engineer CO No.8413!1— Associate Geologist <br /> F.XP:1 <br /> DME �► „�� <br /> 9�oF CA``�4Q <br /> Enclosures: <br /> Figure 1 Site Location Map <br /> Figure 2 Site Plan <br /> Figure 3 Site Plan with Proposed CPT and Monitoring Well Location <br /> Attachment 1 Field and Laboratory Procedures <br /> cc: Robert J. Cochran, Chevron Environmental Management Company, San Ramon, <br /> California <br /> Jim Barton, Regional Water Quality Control Board, Sacramento, California <br /> (`.J. Greyhound Bus Lines, Dallas, Texas <br /> I:\Chevron\90557\REPORTS\2004\WP for Monitoring Well Installation-2004.doc SECOR International Incorporated <br />