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, <br /> BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES. SAN JOSE,CA 95112-1105 <br /> (408) 573-7771 FAX <br /> ANT ntrxo (408) 573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www blainetech com <br /> '9Nr7 Dtl�-" <br /> December 1, 2003 <br /> Karen Petryiia <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91.510--7869 <br /> Fourth Quarter 2003 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 341 East Main Street <br /> Ripon, CA <br /> Monitoring performed on August 21, September 24, <br /> And October 30, 2003 <br /> Groundwater Monitoring Report 031030-MR-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, appropriate calculated purge volume(if <br /> 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. Purge <br /> water(if applicable) is, likewise, collected and transported to the Shell Martinez Manufacturing <br /> 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 renort <br /> At a minimum, Blaine Tech Services, Inc field personnel are certified on completion of a forty <br /> hour Hazardous Materials and Emergency Response traiiung course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight hour refresher courses <br />