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BLAINE680 ROGERS AVENUE <br /> BLAINE SERVICES SAN JOSE,CALIFORNIA 95112-1105 <br /> TECH (406)573-7771 FAX <br /> • a�¢�a�Nr rye Air (408)573-0555 PHONE <br /> March 30, 1999 <br /> Karen Petryna <br /> Equiva Services LLC -- <br /> P O Box 6249 <br /> Carson, CA 90749-6249 <br /> First Quarter 1999 Groundwater Monitoi ing at <br /> Shell-branded Service Station <br /> 3725 South Tracy Blvd <br /> Tracy, CA <br /> Monitoring performed on Mai ch 5, 1999 <br /> Groundwater Monitoring Report 990305-J-4 <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 Watel Quality Control Boald <br /> requirements, routine field data collection includes depth to water, total well depth, thickness of <br /> any separate immiscible layer, water column volume, apprioriate calculated purge volume (if <br /> applicable), elapsed evacuation tune (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 Martinez Refining <br /> Company <br /> Basic field information is presented alongside analytical values excerpted fiom the laboratory <br /> report in the cumulative table of WELL CONCENTRATIONS The full analytical report foi <br /> the most recent samples and the held 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 tiaining course per 29 CFR 1910 120 Field <br /> . persoimel ate also enrolled in annual eight hour refresher courses <br />