TSCA/ FIFRA/ TRI, RCRA/ CERCLA/ CWA/ CAA/ PHMSA/ SDWA, COVID-19, FDA, NANOTECHNOLOGY and more: Recent Regulatory Developments Wednesday, December 16, 2020 TSCA/FIFRA/TRI EPA Proposes SNURs For Certain Chemical Substances: On November 16, 2020, the U.S. Environmental Protection Agency (EPA) published proposed significant new use rules (SNUR) for certain chemical substances that are the subject of premanufacture notices (PMN). 85 Fed. Reg. 73007. The proposed SNURs would require persons to notify EPA at least 90 days before commencing manufacture (defined by statute to include impor...