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OPOUIIy C <br /> P.O.SOX 1810-1810 E.HAZELTON AVENUE <br /> THOMAS M. GAU <br /> STOCKTON,CALIFORNIA 95201 <br /> DIRECTOR Va (209)468-3000 FAX(209)468-2999 <br /> C9��FORc�`? www.sjgov.org/pubworks <br /> FRITZ BUCHMAN <br /> DEPUTY DIRECTOR <br /> MICHAEL SELLING Working for YOU <br /> DEPUTY DIRECTOR ' <br /> JIM STONE t� <br /> DEPUTY DIRECTOR <br /> ROGER DANES ^F <br /> BUSINESS ADMINISTRATOR <br /> May 14, 2013 l ' <br /> �<< <br /> Mr. Todd Del Frate <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive, #200 <br /> Rancho Cordova, California 95670 <br /> SUBJECT: INSTALLATION OF REPLACEMENT GROUNDWATER MONITORING WELLS <br /> NORTH COUNTY, HARNEY LANE, AND FOOTHILL SANITARY LANDFILLS <br /> Dear Mr. Del Frate: <br /> 0 <br /> As you are aware from the periodic Groundwater Monitoring Reports, the elevation of groundwater <br /> at North County, Harney Lane, and Foothill Sanitary Landfills has been gradually declining these <br /> past years such that collecting a sample from several monitoring wells has become difficult. In order <br /> to continue to monitor the groundwater quality satisfactorily, we intend to install replacement wells <br /> located very near the existing wells in question (Figures attached). The existing wells will be <br /> retained and protected, but will no longer,be monitored for now. <br /> San Joaquin County Environmental Health Department has issued a permit for these wells. We plan <br /> to install them in mid-June of this year under the supervision of CB&I (previously Shaw). <br /> If you have any questions, please call Joyesh Chandra at (209) 468-3066. <br /> Sincerely, <br /> W. MICHAEL CARROLL, PE <br /> Senior Civil Engineer <br /> WMC:kb <br /> M Miscellaneous\Groundwater-All Sites\GW Wells 2013\TDelFrate01-NewWells2.doc <br /> Attachment <br /> c: Robert McClellon, Environmental Health Department <br /> LA 63107 <br /> LA 11103C <br /> LA 31109A <br />