EPA Requesting Public Comment on Analytical Methods UCMR6

Analytical Methods EPA Requesting Public Input: In the February 8, 2024 Federal Register (Fed Reg_UCMR6_Anal Methods) EPA lists published drinking water analytical methods and other methods that are currently in development.  EPA is requesting public input on the listed analytical methods (“particularly those listed in the Fifth Contaminant Candidate List (CCL5))”.  Public comments are due by April 8, 2024.

Note: The CCL5 was published November 14, 2022, CCL 5 includes 66 chemicals, three chemical groups (per- and polyfluoroalkyl substances (PFAS), cyanotoxins, and disinfection byproducts (DBPs)), and 12 microbes.

Development of the Unregulated Contaminant Monitoring Rule 6 (UCMR6).  In the same Federal Register notice enclosed, EPA announced they will hold a virtual public meeting (via webinar) to “…discuss potential approaches to developing UCMR 6. The webinar will discuss the following: drinking water analytical methods and contaminants being considered, UCMR 6 sampling design, laboratory approval, and other potential aspects of the monitoring approach.”  The UCMR6 webinar will be held on April 17, 2024 and the same webinar will be held again on April 18, 2024.  The webinar is scheduled from 11:00 am to 5:00 pm (ET).


Link to register:

Unregulated Contaminant Monitoring Rule (UCMR) Meetings and Materials | US EPA