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Environment

Paint-Stripping Chemical Said To Pose Health Risks

by Britt E. Erickson
March 30, 2015 | A version of this story appeared in Volume 93, Issue 13

This week’s selections are from the ACS national meeting, which took place on March 22–26 in Denver.
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Credit: Air Force photo by Margo Wright
N-methylpyrrolidone (above) is used in paint stripper for aircraft, ships, and furniture.
Tinker Air Force Base, Okla. -- Painter Zach Boydstun scrubs loosened paint, primer, and the pink paint stripper from a B-52 nose cowling. 2010 photo.
Credit: Air Force photo by Margo Wright
N-methylpyrrolidone (above) is used in paint stripper for aircraft, ships, and furniture.

N-Methylpyrrolidone (NMP), a solvent commonly used to remove paint and other coatings, poses reproductive risks to pregnant women and women of childbearing age, concludes a final risk assessment by EPA. Women can reduce these risks by wearing chemical-resistant gloves when they use NMP, the agency says. But neither gloves nor respirators sufficiently protect those who are exposed to NMP for more than four hours per day or repeatedly over several consecutive days, it adds. EPA has yet to decide how to address these risks, but the agency is considering both voluntary and regulatory actions, including a phaseout of the compound from U.S. commerce. The agency also recommends that women of childbearing age use safer paint-stripping chemicals or apply NMP outside or in well-ventilated areas.

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