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�I t <br /> BLAINE <br /> TECH SERVICES mc <br /> GROUNDWATER SAMPLING SPECIALISTS <br /> SINCE 19$5 <br /> September 23, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Third Quarter 2004 Groundwater Monitoring at <br /> Former Texaco Service Station <br /> 440 West Charter Way <br /> Stockton, CA <br /> Monitoring performed on August 9, 2004 <br /> Groundwater Monitoring Report 040809-BM-1 <br /> This report covers the routine monitoring of groundwater wells at this former Texaco 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 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 /> SAN JOSE SACRAMENTO LOS ANGEtO BAN DIEGO <br /> 16410 ROGERS AVENUE UX JOSE,CA 915112.1108 (4081673-05M FAX (408)873-7771 UC 746604 www blainatech cam <br />