ASDWA's Weekly Update delivers the most important information to the drinking water community. Visit the Source news blog to search an archive of past articles dating back to 2010.
EPA has updated its validated Method 537.1 to test for an additional four per- and polyfluoroalkyl substances (PFAS) in drinking water, including the GenX chemical, hexafluoropropylene oxide dimer acid (HFPO-DA). Besides GenX, EPA Method 537.1 can now test for three additional PFAS [11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS), 9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS), and 4,8-dioxa-3H-perfluorononanoic acid (ADONA)]. EPA Method 537.1 can […] Read More ›
“Agrees” is brief wording for a headline, but a better description is that the Natural Resources Defense Council (NRDC) reluctantly decided not to oppose EPA’s request of the Court to delay by six months the date for proposing a rule to regulate perchlorate. That will push the deadline for a rule proposal to April 30, […] Read More ›
Peter Grevatt, the Director of EPA’s Office of Ground Water and Drinking Water (OGWDW), announced his retirement earlier today (11/19). Peter has had an illustrious career at EPA, with slightly over 30 years of government service. He had been Director of OGWDW for a little over six years and his efforts in working with the […] Read More ›
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