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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES„ SAN JOSE,CA 95112-1105 <br /> (408)573-7771 FAX <br /> c€yar T+tp (408)573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www.blainetech com <br /> October 18,2002 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P.O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Third Quarter 2002 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 7700 Moreland Street <br /> Stockton, CA <br /> MOmtonng performed on September 17, 24 and 30, 2002 <br /> Groundwater Monitoring Report 020930-BA-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 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 m conformance with EPA standards. Purgewater(if applicable) <br /> is, likewise, collected and transported to the Martinez Refinmg Company. <br /> Banc 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 /> I I I I I <br /> I I I <br />