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N � < <br />C �P <br />9 GiFO Pta <br />THOMAS M. GAU <br />DEPUTY DIRECTOR <br />THOMAS R. FLINN <br />DIRECTOR <br />P. O. BOX 1810 - 1810 E. HAZELTON AVENUE <br />STOCKTON, CALIFORNIA 95201-3018 <br />(209) 468-3000 FAX (209) 468-2999 <br />www.sjgov.org <br />OCT 28 AN .1 <br />MANUEL SOLORK) <br />DEPUTY DIRECTOR G� 3 t� J I I �� <br />J U <br />I fD j- )�§ A R T S <br />STEVEN WINKLER <br />HEALTH DE-€'; RTF4rN7 <br />DEPUTY DIRECTOR <br />ROGER JANES October 24, 2005 <br />BUSINESS ADMINISTRATOR <br />Ms. Molly White <br />Central Valley Regional Water Quality Control Board <br />11020 Sun Center Drive #200 <br />Rancho Cordova, California 95670 <br />SUBJECT: CHANGE IN BARRIER METHOD AND ADDITIONAL <br />DOCUMENTATION FOR FOOTHILL LANDFILL SITE <br />IMPROVEMENT PROJECT, CAO R5-2004-0706 <br />Dear Ms. White: g <br />} <br />I would like to thank you and Victor Izzo for your time on October 14, 2005, to discuss <br />your comments on our construction reports and evaporative cover for the Foothill <br />Landfill Site Improvement Project, submitted in accordance with Item 6 of CAO <br />R5-2004-0706. <br />Based on this meeting, our subsequent emails, and conversations between yourself and <br />Tim Crandall of Kleinfelder, Inc, I thought it would be valuable to summarize our <br />understanding of the revisions and additional items for the Foothill Landfill Site <br />Improvement Project. Because the change in scope is occurring late in this project, the <br />following items also suggest review times that may allow us to complete the project by <br />the end of the 2006 construction season. <br />ET COVER <br />1. We will submit to the RWQCB additional information on the evapotransporatve <br />(ET) cap design, prepare a revised Test Section testing program (increased testing <br />frequency), and revised ET cap soil specifications. This submittal will be in the <br />form of a letter with an attached memo. <br />We hope that this design can be reviewed within two weeks of submittal. <br />