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� s <br /> STATE OF CALIFORNIA n l <br /> Pete Wilson,Governor <br /> CALIFORNIA INTEGRATED WASTE MANAGEMENT R µ ''3!i , <br /> 8800 Cal Center Drive <br /> Sacramento,California 95826 Alf <br /> March 7, 1995 <br /> Mr. Ed Padilla <br /> San Joaquin County <br /> Local Enforcement Agency <br /> 445 N. San Joaquin St . <br /> Stockton CA 95201 <br /> Subject : Modification of Work Plan for Corral Hollow Gas <br /> Monitoring System - File No. 39-AA-0005 <br /> Dear Ed: <br /> I have talked with Mr. Joseph Miller of SCS Engineers regarding <br /> the relocation of GW-1 and GW-7 to prevent any unexpected <br /> encounters with the high pressure oil line which traverses the <br /> northwest boundary of the landfill . In addition I recommend that <br /> a temporary bar hole be installed and sampled whenever the other <br /> gas probes are sampled. A copy of a bar hole sampling technique <br /> we are currently using at the Board is attached. This procedure <br /> can be used to check for gas between the landfill footprint and <br /> the highway were it is not feasible to install a permanent gas <br /> probe. <br /> If you have any questions contact me a (916) 255-2332 or Scott <br /> Walker at (916) 255-2343 . <br /> Sincerely, <br /> Timothy W. Crist P.E. <br /> Closure and Remediation Branch <br /> Permitting and Enforcement Division <br /> TWC:twc \closure\sanjoq\corral-h\gasltr2.doc <br /> cc; Mr Joseph Miller <br /> SCS Engineers <br /> 6761 Sierra Court, Suite D <br /> Dublin, California 94568 <br /> Printed on Recycled Paper-Double Sided for Source Reduction-- <br />