Members of the Stockholm Convention on Persistent Organic Pollutants (POPs) have agreed to ban the production, use, import and export of long-chain perfluorocarboxylic acids (LC-PFCAs) and products that contain them, an action that could limit imports of the chemicals even in non-member countries like the United States, sources say. “I think that although the U.S. is not a Party to the Convention, it will affect global markets and availability for import,” Pamela Miller, co-chair of the International Pollutants Elimination Network...