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BLAINE 1680 ROGERS AVENUE <br /> TECH SER%ACES. SAN JOSE, CA 95112-1105 <br /> (408)573-7771 FAX <br /> (408)573-0555 PHONE <br /> 'y CONTRACTOR'S LICENSE#746684 <br /> www.blainetech com <br /> 'Uvp <br /> December 4, 2002 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P.O.Box 7869 <br /> Burbank, CA 91510-7869 <br /> Fourth Quarter 2002 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 6131 Pacific Avenue <br /> Stockton, CA <br /> Monitoring performed on November 7,2002 <br /> Groundwater Monitoring Report 021107-EB-1 <br /> This report covers the routine monitoring of groimdwater 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. likevnge_ cn1larted and trancnnrtPA to thF.Maranwy RPfin;ntr f n»►r+�ri, <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 />