EPA’s first major action under its February 2019 comprehensive Per- and Polyfluoroalkyl Substances (PFAS) Action Plan (previously discussed in detail here) is out. On September 25, EPA sent a request for public input on whether EPA should add “certain PFAS chemicals” to the Toxics Release Inventory (TRI) to the Office of Management and Budget (OMB). EPA issues advance notices of proposed rulemaking to get a sense of public reaction before it initiates an important regulatory change, typically before it has conducted significant research or expended agency resources.