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r <br /> BLAINE 1680 ROGERS AVENUE <br /> TEcH sEFMcEs_ SAN JOSE,CA 951121105 <br /> • (408)573-7771 FAX <br /> (408)573-0555 PHONE <br /> CONTRACT'OR'S LICENSE#k746684 <br /> www blalnetach.com <br /> June 10,2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P.O.Box 7869 <br /> Burbank, CA 91510-7869 <br /> Second Quarter 2004 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 3725 South Tracy Boulevard <br /> • Tracy, CA <br /> Momtormg performed on April 26,2004 <br /> Groundwater Monitoring Report 040426-SH-1 <br /> This report covers the routine monitoring of groundwater wells at this Shell-branded facility. In <br /> accordance with standard procedures that conform to Regional Water Quality Control Board <br /> requirements,routine field data collection includes depth to water,total well depth,thickness of <br /> any separate immiscible layer,water column volume, calculated purge volume(if applicable), <br /> elapsed evacuation time (if applicable), total volume of water removed (if applicable), and <br /> standard water parameter instrument readings Sample material is collected,contained, stored, <br /> and transported to the laboratory in conformance with EPA standards. Purgewater(if applicable) <br /> is, likewise, collected and transported to the Martinez Refining Company. <br /> Basic field information is presented alongside analytical values excerpted from the laboratory <br /> report in the cumulative table of WELL CONCENTRATIONS. The full analytical report for <br /> the most recent samples and the field data sheets are attached to this report <br /> At a mun nurn, Blaine Tech Services, Inc. field personnel are certified on completion of a forty <br /> hour Hazardous Materials and Emergency Response tramnig course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight-hour refresher courses. <br />