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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES" SAN JOSE,CA 95112-1105 <br /> (408)573-7771 FAX <br /> �44T Tn4-, (408)573-0655 PHONE <br /> A CONTRACTOR'S LICENSE#746684 <br /> i www blainetech corn <br /> March 9, 2002 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P 0. Box 7869 <br /> Burbank, CA 91510-7869 <br /> First Quarter 2002 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 2494 Fremont Street <br /> Stockton, CA <br /> Monitoring performed on February 18, 2002 <br /> Groundwater Monitoring Report 020218-KF-1 <br /> Thus report cavern 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 in conformance with EPA standards Purgewater(if applicable) <br /> is, likewise, collected and transported to the Martinez Refiring 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 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 <br />