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New Data Help Toxicologists Home In on Assessing Risks

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Science  12 Apr 1996:
Vol. 272, Issue 5259, pp. 200
DOI: 10.1126/science.272.5259.200


Anaheim, California—Last month's meeting of the Society of Toxicology provided new clues to how pollutants such as nitrogen dioxide may contribute to asthma and other respiratory diseases. Other findings may explain why an industrial compound, methylene chloride, seems to cause cancer in mice but not in people. The Environmental Protection Agency now labels methylene chloride a probable carcinogen, but the new result could alter the chemical's status under upcoming cancer assessment guidelines.