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e <br />LGON <br />CALGON CARBON CORPORATION P.O. BOX 717 PITTSBURGH, PA 15230- (412) 787-6700 <br />0717 <br />August 27, 1985 <br />Mr. Ronaldo Cooks <br />San Joaquin Local Health District <br />P.O. Box 2009 <br />Stockton, CA 95201 <br />Dear Mr. Cooks: <br />Writer's Direct Dial Number <br />412/787-6756 <br />Calgon Carbon Corporation would like to landfill 350 cubic yards of <br />activated carbon in late September or early October from the Stockton <br />East Water Treatment Plant at Foothills Landfill, Waverly Road, east <br />of Stockton. <br />The activated carbon is used to remove geosmin and 2-methylisoborneol <br />from water to improve the taste and odor of the drinking water. Both <br />compounds are the result of naturally decaying vegetation. <br />I have enclosed a copy of the analytical report provided to Calgon by <br />NUS Corporation performed by standard EP toxicity leachable tests on the <br />granular activated carbon to be landfilled. Where the test results have <br />a < in front of it, this sign represents the detection limit of the test <br />procedure; thus, the compound could not be measured to that level. <br />Calgon would appreciate your approval to landfill this carbon. <br />If you have any questions please call me at 412/787-6756. <br />Very truly yours, <br />CALGON CARBON CORPORATION <br />Roland J. ourdeau <br />Application Engineer <br />RJB: ah <br />Encl. (3) <br />