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,- Mr.Mike Infurna <br /> April 20,2010 <br /> Page 2 of 2 <br /> in all site wells will be monitored <br /> Prior to well destruction activities the depth too tithe monitoring Bring wells. The wells are each two <br /> to insure no obstructions are present in any s Well <br /> inches in diameter and are screened from 10 to 30 feet below ground surface (bg ). <br /> in Table 1. <br /> construction details are summarized <br /> te and <br /> Monitoring well MW3 has been the only impacted well at ero ro subject <br /> that lmonitoring well MWIr <br /> analytical data are summarized in Table 2. Ground e sure grouting the well casings with neat <br /> MW2, MW3, MW4, and MWS be destroyed by ed into the wells in one continuous operation <br /> cement grout. The neat cement grout will be pumpater will be <br /> through a tremie pipe system until the wells have been completely <br /> illed. Di placedessure will be <br /> captured and placed into DOT approved poly drums until disposal are <br /> applied to each wellhead using a pressure cap at approximately <br /> and into d heer squ pack c The <br /> for <br /> two to three minutes forcing the grout through the we sceen <br /> wells will be checked for subsidence and more tof 5 feet bgs <br /> grouted, the well boxes will be removed and the boreholes over-drilled t a depth <br /> using 8-inch diameter hollow stemriches tis s The <br /> followed by annuliwill <br /> The surfabe lcled with neat <br /> e of the wells <br /> cement grout to approximately 18-inches g <br /> will be completed with concrete dyed to best match the existing surface. <br /> A well destruction report discussing activities conducted at the subject site will be submitted to <br /> EHD within 60 days of the completion of this workplan. <br /> Please feel free to contact the undersigned at (209) 838-9888 if you have any questions or <br /> comments regarding this submittal. <br /> Respectfully, <br /> Gro <br /> rundZero Analysis, Inc. <br /> (� \O>r1AL GFO <br /> Eric L. Price <br /> Professional Geologist No. 8414 Ce F."LaPRICE <br /> Registered Environmental Assessor I No. 8242 a <br /> N0.8414 � <br /> Attachments <br /> FOF CA��F <br /> cc: Mr. Nathan Crum, Valley Pacific Petroleum Services, Inc. <br /> Ms. Karen Collins, Environmental Closures, Inc. <br /> Mr. James L. L. Barton, RWQCB <br /> G:\GROUNDZE\WOOLSEY.CHT\Reports\Workplans\Well Destruction WP 1004.doc <br />