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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES— SAN JOSE, CA 95112-1105 <br /> (406)573-7771 FAX <br /> aT (408)573-0555 PHONE <br /> . =r CONTRACTOR'S LICENSE#746684 <br /> www blainetech com <br /> July 17, 2003 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank,CA 91510-7869 <br /> First Quarter 2003 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 7700 Moreland Street <br /> Stockton, CA <br /> Monitoring performed on June 30, 2003 <br /> Groundwater Monitoring Report 030630-SH-1 <br /> it <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 mformation 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, Blame 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 /> V I V I V I <br /> II V VI I V V V V 1 V VI i Vl <br /> V II <br />