As stated in the clip, this funding is on top of $50 already in the mitigation pool. This issue with PFAS really took hold when an investigation was pointing at a company called St Gobain in Merrimack NH and they possibly being the cause of elevated levels of PFAS in ground water tables.
WMUR is the local TV station in NH. 60 second clip below.
https://youtu.be/osijPZxYdos