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ui <br />o c <br />c <br />` THOMAS M. GAU <br />DIRECTOR <br />�CiFpRN <br />FRITZ BUCHMAN <br />DEPUTY DIRECTOR <br />MICHAEL SELLING <br />DEPUTY DIRECTOR <br />JIM STONE <br />DEPUTY DIRECTOR <br />ROGERJANES <br />BUSINESS ADMINISTRATOR <br />Mr. Todd Del Frate <br />Engineering Geologist <br />California Regional Water Quality Control Board <br />11020 Sun Center Drive, #200 <br />Rancho Cordova, California 95820-6114 <br />February 12, 2014 <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/pubworks <br />SUBJECT: RESULT OF STORM INSPECTION, CORRAL HOLLOW SANITARY LANDFILL <br />Dear Mr. Del Frate: ,, <br />�fj� <br />Please consider this a report on the inspection of the Corral Hollow Sanitary Landfill conducted February 10, <br />2014, per your request. <br />Site conditions were excellent. Erosion was not seen in spite of the rains of February 5th through the Stn <br />Lack of erosion attests to the less severe rain in February and the success of the erosion repairs after the <br />intense storm of November 22, 2013 (see attached photos). <br />noted a few areas that could be optimized. The location of one of the new berms placed to provide quicker <br />diversion of surface water into the concrete -lined ditch could be adjusted as you mentioned. This can be <br />done once that soil is completely dry, possibly in May or June. <br />Hydro -seeding is more or less successful, depending on the slope and direction which the slope faces: north - <br />facing slopes seem to be flourishing, whereas flatter areas appear to be struggling due to lack of water <br />earlier in the year. We will hydro -seed areas that do not appear.to show successful growth in mid -autumn, <br />as is recommended by our hydro -seeding contractor. Once the seed is in place, we will rely on seasonal <br />rains to promote growth. <br />If you have any questions, please call me at (209) 468-8504. <br />Sincerely, <br />W. MICHAEL CARROLL, PE <br />Senior Civil Engineer <br />WMC:sn <br />N:\1 Corral Hollow\Groundwater Mon itoring\TDelFrate03-StormInspection. doc <br />Attachments <br />c: Robert McClellon, Environmental Health Department <br />Jim Stone, Deputy Director/Operations <br />Desi Reno, Integrated Waste Manager <br />LA 21850 <br />