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LAIDLAW*F.'AHCHO CORDOVA 916 631 7013 P. 03 <br /> my comers a Certified industrial Hygienist. and,MateIn at <br /> N,-,rtif ied cheinlut, I was informed that malathion has a low Odor <br /> threshold - tad also breaks down rapidly in the en-VirOnME?nt <br /> (aPProximately two weeks for the amount of malathion remaining irl <br /> the spill area) . Therefore, we felt it would he safe to reopen most <br /> of the auto shop. Employeea would be informed of the hagards of <br /> malathion and would not work in the East end of the auto abop it <br /> the odor of tike malathion is pungent. <br /> sincerely, <br /> Roger Chepshire <br /> Project ManagEr <br /> .Laidlaw Envircmental Service-8 of California Inc. <br />