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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES„ SAN JOSE,CA 95112-1105 <br /> (408)573-77711 FAX <br /> (408)5/3-0553 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www blainetech.com <br /> August 3, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P.O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Third Quarter 2004 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 1071 North Main Street <br /> Manteca, CA <br /> Momtonng performed on July 9,2004 <br /> Groundwater Momtorwg Report 040709-EB-2 <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 muniscible Iayer,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 minimum, Blaine Tech Services, Inc field personnel are certified on completion of a forty- <br /> hour Hazardous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight-hour refresher courses <br />