By Porter Wright on Readers may interested in learning that EPA issued a clarification today regarding its single-walled and multi-walled carbon nanotube SNURs previously issued in June 2009. EPA’s announcement follows. Stay tuned . . . Good afternoon. On June 24, 2009, the U.S. EPA issued final Significant New Use Rules (SNURs) under the Toxic Substances Control Act (TSCA) for … Continue Reading