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ELAINE 1680 ROGERS AVENUE <br /> TECH SERVICES— SAN JOSE, CA 95112-1105 <br /> (408) 573-7771 FAX <br /> ¢w`'o��T lheeo (408) 573-0555 PHONE <br /> CONTRACTOR'S LICENSE#746684 <br /> www_btainetech.com <br /> � o <br /> �A{lac qNo <br /> March 26, 2001 <br /> Karen Petryna <br /> Equiva Services LLC <br /> P.O. Box 7869 <br /> Burbank, CA 91510-7869 <br /> First Quarter 2001 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 341 East Main Street <br /> Ripon, CA <br /> Monitoring performed on January 3, 2001 <br /> Groundwater Monitoring Report 010103-J-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 report. <br /> At a minimum, Blaine Tech Services, Inc. field personnel are certified on completion of a forty <br /> I_ ti.. �,.1,. n,r,.�,. ,.1.. ...A r...... D.. ♦« `lfl !`rD 1(1111 1'111 V-1A <br /> Hou AlazaIuiD Us lvkato;iµ1,7 arl" Aallll+TgC'nC A�l..]ponsc L,uii,ii,rM vv uru� Fr l a1 aiay.a- ■ ,r. 0 <br /> personnel are also enrolled in annual eight hour refresher courses. <br />