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4Y.IN ,t) <br />a . W.r <br />as°•F.o J <br />< THOMAS R. FLINN <br />DIRECTORWorkWg for ' <br />YOU <br />THOMAS M. GAU <br />DEPUTY DIRECTOR <br />MANUEL SOLORIO <br />DEPUTY DIRECTOR <br />STEVEN VANKLER <br />DEPUTY DIRECTOR <br />ROGER JANES <br />BUSINESS ADMINISTRATOR <br />November 17, 2005 <br />E <br />P. O. BOX 1810 -1810 E. HAZELTON AVENUE <br />STOCKTON, CALIFORNIA 96201 <br />(209) 468-3000 FAX (209) 468-2999 <br />www.sjgov.org <br />Itn <br />Lc'- (( �� L 8Y ' 2- 0 <br />Ms. Molly White NO 12005 <br />Central Valley Regional Water Quality Control Board ENVIR0MMENT � � <br />11020 Sun Center Drive #200 PERM,T/op HEALTH <br />Rancho Cordova, California 95670 <br />SUBJECT: ET COVER DESIGN REPORT FOR THE FOOTHILL SANITARY <br />LANDFILL SITE IMPROVEMENT PROJECT, CAO R5-2004-0706 <br />Dear Ms. White: <br />Enclosed, please find the ET Cover Design Report prepared by Kleinfelder Inc. This report <br />provides the additional information and specifications for the evapotranspirative (ET) cap <br />design per your request. Note that the computer modeling, ET test pad specifications, and ET <br />cap were based on analysis of the soil taken from the borrow area at Foothill Sanitary Landfill <br />which we intend to use in the cap. <br />Please let me know as soon as possible if this is sufficient to allow us to proceed with the <br />construction of the test pad. We are prepared to begin the test pad and complete the <br />construction specifications immediately upon acceptance. If not, please call me or Tim <br />Crandall of Kleinfelder directly to discuss any items that need cl'fication or any additional <br />information that you may require. <br />Sincerely <br />W. MICHAEL CARROLL, PE <br />Senior Civil Engineer <br />WMC:sw <br />N:\1 Foothill\SitelmpProjO6\MWhiteO2-F-TDesMemo.doc <br />Enclosure <br />c: Robert McClellon, Environmental Health Department <br />W.'V3111M <br />