Almost half of the nation's tap water is estimated to contain PFAS, or "forever chemicals." University of Missouri associate ...

GAC, commonly used in air and water filters, contains granules of coal, wood or other carbon-rich materials that have been heated. It’s widely used to clean household aquariums and filter ...

GAC is composed of granules of coal, wood or other carbon-rich materials that have been heated. It is already commonly used to filter a wide range of harmful chemicals from contaminated water or air.