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■riVJj' p <br /> Chevron Products Company Page 3 <br /> Chevron Service Station 201761 1103 South Main Street Manteca California April 12002 <br /> f� <br /> The groundwater monitoring wells will be.destroyed in accordance with the California Well <br /> Standards, Bulletin 74-90. The wells will be pressure grouted (30 psi) from the bottom up <br /> using tremie pipe. The top five feet of the wells will then?be drilled out, the well boxes <br /> removed, and the wells completed to the surface with concrete. The appropriate permits will <br /> be secured from SJCPHS prior to the work being performed Wand the agency will be notified <br /> � <br /> before the work is performed. <br /> SECOR and Chevron Iook forward to receiving the SJCPHS!'s approval to properly destroy <br /> the groundwater monitoring wells. If there are any questions regarding the contents of this i <br /> report, please call Bill Brasher of SECOR at 916 861-0400 extension 284 or Bob <br /> � ) ob Cochran <br /> of Chevron at (925) 842-9655. <br /> i <br /> Sincerely, <br /> SECOR International Incorporated <br /> i <br /> Brian Silva William E. Brasher, P.E. <br /> Project Scientist ` Project Manager <br /> Attachments: Figure 1 —Site Location Map <br /> Figure 2— Site Map <br /> Figure 3 —Groundwater Elevation Contour Map <br /> Attachment A—FieId and Laboratory Procedures <br /> Attachment B —Boring Logs and Well Construction Details <br /> Attachment C—Laboratory Analytical Reports and Chain-of-Custody <br /> Documentation <br /> Attachment D—Well development and Sampling Data Sheets <br /> cc: Bob Cochran, Chevron Products Company, San Ramon, CA <br /> Marty Hartzell, RWQCB, Sacramento, CA <br /> k <br /> '1 <br /> 'I <br /> I <br /> .:s <br /> i` <br /> i <br /> �S <br /> P <br /> l <br /> ]:1Chevron12017611Reports1201761 SA Report 2001.doc <br /> �I <br /> I� i <br />