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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES K SAN JOSE,CA 95112-1105 <br /> (408)573-7771 FAX <br /> T (408)513-0555 PHONE <br /> 2dP Ayg CONTRACTOR'S UCENSE#746684 <br /> www blainetech com <br /> b <br /> November 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 j <br /> Shell-branded Service Station <br /> 4315 Waterloo Road <br /> Stockton, CA <br /> Momtormg performed on October 11, 2002 <br /> Groundwater Monitoring Report 021011-BM--1 <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 any <br /> separate mmuscnble layer,water column volume, calculated purge volume(if applicable), elapsed <br /> evacuation tune (if applicable),total volume of water removed(if apphcable), and standard water <br /> parameter instrument readings. Sample material is collected, contained, stored, and transported to <br /> the laboratory in conformance with EPA standards. Purgewater (if applicable)is, likewise, <br /> collected and transported to the Martinez Refining Company <br /> Basic field information is presented alongside analytical values excerpted from the laboratory report <br /> in the cumulative table of WELL CONCENTRATIONS. The full analytical report for the most <br /> recent samples and the field data sheets are attached to this report <br /> i <br /> At a minimum, Blaine Tech Services, Inc field personnel are certified on ct mpletion of a forty hour <br /> 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 />