The agency won’t say whether it’ll enforce national drinking water standards for the chemicals.

The Biden administration’s rule set standards for two common types of PFAS at 4 parts per trillion, effectively the lowest level at which they can be reliably detected. Standards for several other ...

We’re also researching nootkatone, an active ingredient approved by the EPA in 2020. More information here. Everyone should avoid bug bites, which are annoying at best and debilitating (or even ...