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t <br /> BLAINE SANJO1680 E,CA AVENUE <br /> TECH SERVICES,w. SAN JOSE,CA 95112-1105 <br /> (408)573-7771 FAX <br /> e��,NT rye (408)573-0555 PHONE <br /> • � 9P <br /> 3 <br /> qND poC"' <br /> January 26, 1999 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P.O. Box 6249 <br /> Carson, CA 90749-6249, <br /> Fourth Quarter 1998 Groundwater Monitoring at <br /> TEXACO-branded Service Station <br /> 305 S. Hutchins St. <br /> Lodi, CA <br /> Monitoring performed on October 5 & 7, 1998 <br /> i <br /> Groundwater Monitoring Report 981005-J-1 <br /> This report covers the routine monitoring of groundwater wells at this TEXACO-branded <br /> facility. In accordance with standard procedures that conform to Regional Water Quality Control <br /> Board requirements, routine field data collection includes depth to water, total well depth, <br /> thickness of any separate immiscible layer, water column volume, apprioriate calculated purge <br /> volume (if applicable), elapsed evacuation time (if applicable), total volume of water removed (if <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 Shell Martinez <br /> Manufacturing Complex. <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 />