4 ms·
Detail absent from the article for context: The new proposed EPA guideline is 4.0[1] parts per trillion (also expressed as ng/L) for PFOA and PFOS. [1] https:
by thrawn0r 3y ago
Detail absent from the article for context:
The new proposed EPA guideline is 4.0[1] parts per trillion (also expressed as ng/L) for PFOA and PFOS.
[1] https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas