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BLAINE 1884 ROGERS AVENUE <br /> TECH SERMCES— SAN JOSEr CA 95112-1105 <br /> . (408)573-7771 FAX <br /> ao 'T (408)573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> 2 www blainetech cora <br /> �qNp noNaw <br /> November 20, 2003 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Fourth Quarter 2003 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 1071 North Main Street <br /> Manteca, CA <br /> Motutorang performed on October 29, 2003 <br /> Groundwater Monitoring Report 031029-MH-4 <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 tune (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 apphcable) <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 />