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I MAY 1. 9 ZU10 <br /> GROUND ZERO ANALYSIS,INC. ENVIfUMiENT HEALTH <br /> 1714 Main Street <br /> Escalon,California 95320.1927 <br /> Telephone:(209)838.9888 <br /> Facsimile:(209)838,9883 <br /> May 17,2010 <br /> Mr.Michael Infuma <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street a " <br /> Stockton, CA 95202 <br /> Subject: Groundwater Monitoring Well Destruction Workplan Addendum <br /> Valley Pacific Petroleum Services,Inc. (Woolsey Oil,Inc.)Cardlock Facility <br /> 1501 W. Charter Way, Stockton, CA(Site Code 508175) <br /> Dear Mr. Infurna: <br /> I On April 20, 2010, Ground Zero submitted the Groundwater Monitoring Well Destruction <br /> Workplan (Workplan), which San Joaquin County Environmental Health Department (EHD) <br /> j approved with comments in a letter dated April 28, 2010 (EHD Letter). Four monitoring wells <br /> were destroyed on May 13, 2010. The drill rig could not',operate under the canopy covering <br /> MW3. Ground Zero requests modifying.the Workplan to use a small geoprobe-type drill; rig <br /> f capable of drilling out the well with 8-inch diameter augers. <br /> The boring will be grouted to near-surface using trimie pipe and the displaced water and drill <br /> cuttings will be stored in DOT 55-gallon drums pending disposal. The top of the boring will be <br /> finished with cement to match existing surface conditions. Ground Zero will adhere to the other <br /> I <br /> elements of the Workplan and to the comments and conditions in the EHD Letter.. <br /> A new well permit application and fee is attached. Please feel free to contact the undersigned at <br /> (209) 838-9888 if you have any questions or comments regarding this submittal. <br /> OVAL � <br /> C>co <br /> Respectfully, yy� !0 <br /> Gro ero Analysis, Inc. O GN <br /> Eric L. Price `s <br /> Professional Geologist No. 8414ii <br /> Registered Environmental Assessor I No. 8242 C7F CAS <br /> Attachments <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.CHT1Reports\Workplan\Well Destruction WP Addendum 100517.doc <br />