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ELAINE 1880 ROGERS AVENUE <br /> TECH SERVICES. SAN JOSE,CALIFORNIA 95112-1105 <br /> (408)573-7771 FAX <br /> (408)573-0555 PHONE <br /> Np <br /> October 25, 1999 <br /> Karen Petryna <br /> Equiva Services I,LC <br /> P O Box 6249 <br /> Carson, CA 90749-6249 <br /> Third Quarter 1999 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 34l East Main Street <br /> Ripon, CA <br /> Monitoring performed on July 9, 12, 22, 28 & <br /> August 5, 11, 18, 27 & <br /> September 9, 13, 22, 29, 1999 <br /> Groundwater Monitoring Report 990728-111-2 <br /> chis report covers the routine monitoring of groundwater wells at this Shell-bianded facility In <br /> accordance with standard procedures that conform to Regional Water Quality Control Board <br /> requirements, routine field data collection includes depth to watei, total well depth, thickness of <br /> any separate immiscible layer, water column volume, apprioriate calculated purge volume (if <br /> applicable), elapsed evacuation tmne (if applicable), total volume of water removed (if <br /> applicable), and standard water parameter instrument readings Sample matei ial i5 collected <br /> contained, stored, and transported to the laboratory in conformance with EPA standards <br /> Purgewatei (if applicable) is, likewise, collected and transported to the Shell Martinez <br /> Manufactui Ing Complex <br /> Basic field information is presented alongside analytical values excerpted from the laboratory <br /> report in the ciimtilative table of WELL CONCENTRATIONS I he full analytical report for <br /> the most recent samples and the field data sheets are attached to this report <br /> At a r1nirnrmunr, Blayne I ech Scivices, Inc field personnel are certified on compaction of a forty <br /> hour 1-lazaidous Materials and Emergency Response training course pet 29 CFR 1910 120 I`ield <br /> personnel are also enrolled in annual eight houi refresher courses <br />