Lynn L. Bergeson, “Report Your Nanoscale Materials,” Chemical Processing, February 17, 2017.

The U.S. Environmental Protection Agency (EPA) finally concluded January 12, 2017, a ten-year effort to issue a Toxic Substances Control Act (TSCA) Section 8(a) rule establishing reporting and recordkeeping requirements for certain discrete forms of chemical substances manufactured or processed at nanoscale. This column summarizes the rule. Reports are due to the EPA no later than May 12, 2018. The final rule is effective May 12, 2017.