The National Nanotechnology Coordination Office (NNCO) is organizing a series of National Nanotechnology Initiative (NNI) webinars on nanometrology, metrological challenges, and recent advances in three topical areas: food, agriculture, and environment; nanoscale medical and pharmaceutical products; and nanoparticles in electronics. Registration is open for the fourth webinar in the series, Metrology of Nanoparticles in Electronics, which will be held April 5, 2024, at 12:00 p.m. (EDT). The...
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March 9, 2021
EPA Seeks Additional Public Comment on Final PBT Rules, Announces No Action Assurance for Final Rule on PIP (3:1)
The U.S. Environmental Protection Agency (EPA) announced on March 8, 2021, that “in accordance with Biden-Harris Administration executive orders and directives,” it is asking for additional public input on five final rules for persistent, bioaccumulative, and toxic (PBT) chemicals issued on January 6, 2021, under the Toxic Substances Control Act (TSCA). EPA states that as a first step in its efforts to review these rules immediately, EPA is opening a 60-day comment period for...