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rn n <br /> BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES— SAN JOSE,CA 95112-1105 <br /> (408)573-7771 FAX <br /> wo (408)573-0555 PHONE <br /> yp CONTRACTOR'S LICENSE##746684 <br /> a <br /> www blainetech com <br /> July 8, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Second Quarter 2004 Groiuidwater Monitoring at <br /> Shell-branded Service Station <br /> 7700 Moreland Street <br /> Stockton, CA <br /> Monitoring performed on June 4, 9, and 15,2004 <br /> Groundwater Monitoring Report 040615-SA-1 <br /> This report covers the routine monitonng 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 nuniinum, Blaine Tech Services, Inc field peisonnel are certified on completion of a forty- <br /> hour Hazardous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> persoimel aie also enrolled rn annual eight-hour refresher courses <br /> i <br /> d <br />