The arrow indicates the direction of water flow. Biofilters contain filter medium grains (e.g., sand, granular activated carbon) that are covered with biofilms. The biofilm activities break down ...

Congressman Tom Suozzi (D - Long Island, Queens) praised the grant, as well as the bipartisan infrastructure bill, for ...

The upkeep of swapping the granular activated carbon and having maintenance and ... Right now, 3M is building a state-of-the-art facility to filter out PFAS from waste and storm water before ...