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BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES.- SAN JOSE, CA 95112-1105 <br /> r� (408)573-7771 FAX <br /> (408) 573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www.blainetech.com <br /> 9 Z <br /> 'ate �wfi <br /> "ND ppL� <br /> May 4, 2001 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P.O. Box 7869 <br /> Burbank, CA 91510-7869 <br /> Second Quarter 2001 Groundwater N'loiiitoring at <br /> Shell-branded Service Station <br /> 341 Fast lNlain Street <br /> Ripon, CA <br /> Monitoring performed on April 6, 2001 <br /> Groundwater fvlonitoi-ing Report 010406-K'A <br /> This report covers (lie routine monitoring of groundwater wells at this Shell--branded facility. In <br /> accordance with standard proccdures that conform to Regional Water Quality Control Board <br /> requirements, routine field data collcclion includes depth to water, total well depth, thickness of <br /> any separate immiscible layer, \vatcr 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 report. <br /> At a minimum, Blaine Tech Services, Inc. Geld personnel are certified oil completion of a forty <br /> hour Hazardous Materials and EmerLyencv Response traininu coarse per 29 CFR 1910.120. Field <br /> personnel are also enrolled in annual eight hour refresher courses. <br />