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Chlorine dioxide is a chemical compound that has a range of applications, including as a disinfectant and deodorizer. Food processing plants apply it to sanitize surfaces and equipment. Hospitals use it to sterilize medical devices, and some municipalities use low levels to treat public water supplies. Paper mills rely on it to whiten wood pulp. Safety experts advise those who handle it to work in well-ventilated spaces and to wear protective gloves."

(http://www.autoadmit.com/thread.php?thread_id=5809867&forum_id=2#49506943)