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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES.w SAN JOSE,CALIFORNIA 95112-1105 <br /> (408)573-7771 FAX <br /> (408)573-0555 PHONE <br /> September 14, 1999 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P O Box 6249 <br /> Carson, CA 90749-6249 <br /> Third Quaiter 1999 Ground"atei Monitoring at <br /> Shell-branded Service Station <br /> 620 West Charter Way <br /> Stockton, ( A <br /> Monitoring performed on August 18 1999 <br /> Gioundwater Monitoring Report 990818-S-1 <br /> This report covers the routine nloilitornlg of ground,,�ate: at this Sliell-bianded lacillt, In <br /> accordance with standard procedures that Lonform 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, apprioriate calculated purge volume (if <br /> applicable), elapsed evacuation time (if applicable), total volume of watei removed (it <br /> applicable), and standard water parameter Instrument readings Sample material is collected, <br /> contained, stored, and transported to the laboratory in conformance with EPA standards <br /> Purgewater (if applicable) is, likewise, collected and transported to the Martinez Refining <br /> Company <br /> Basic field information is presented alongside analytical valLICS eXCeipted from the Iaboraloiy <br /> report in the cumulative table of WELL CONCENTRATIONS The full analytical iepolt for <br /> the most recent samples and the field data sheets are attached to this ieport <br /> At a minimum, Blaine Tech Services, lnc, field personnel are certified oil completion of a foity <br /> hour Hazardous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight Dour refresher courScs <br />