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BLAINE 1680 ROG ERS AVENUE <br /> TECH SERVICES (408) <br /> JOSE.CALIFORNIA 95112-1105 <br /> (408)573-7771 FAX <br /> • 2�Q��,y�.NT rxtpo A�� (408)573-0555 PHONE <br /> T <br /> Yi o mF V �i <br /> c' �ro4 ooNa�e Nov <br /> BY. <br /> November 12, 1999 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P.O. Box 6249 <br /> Carson, CA 90749-6249 <br /> Fourth Quarter 1999 Groundwater- Monitoring at <br /> Shell-branded Service Station <br /> 141 North E1 Dorado <br /> Stockton, CA <br /> . Monitoring performed on October 19, 1999 <br /> Groundwater Monitoring Report 991019-IC-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 <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 /> persoruiel are also enrolled in annual eight hour refresher courses. <br />