Federal EPA Registry Update

Sunflower Environmental has taken a small break from the everyday reviews of federal registry updates. In summary over December 2021, and January 2022, the EPA has worked on publishing more updates and finalizing items that have already been out in the registry along with approving state implementation plans, and amending pesiticide and TSCA tolerance limits and approvals. The hot topics to mention are listed below.;

As of February 4, 2022 ;-BP or n-propyl bromide (nPB),[4] CAS #106-94-5 ;will be added to the list of Clean Air Act Section 112 list of Hazardous Air Polluntants.;

;Federal Register :: Clean Air Act Section 112 List of Hazardous Air Pollutant: Amendments to the List of Hazardous Air Pollutants (HAP);

As of January 26, 2022 the Safe Drinking Water Act will require collection of data (monitoring) for 29 per- and polyfluoroalkyl substances (PFAS) and lithium.

;Federal Register :: Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 5) for Public Water Systems and Announcement of Public Meetings ;

As of December 16, 2021 the Lead Copper Rule Revision has been completed and approved by the EPA.;

;Federal Register :: Review of the National Primary Drinking Water Regulation: Lead and Copper Rule Revisions (LCRR);

EPA provides notice of the Proposed Clean Water Act, definition of Waters of the US comment period to end February 7, 2022

;Federal Register :: Revised Definition of “Waters of the United States”;