Jammu, April 10 -- In a landmark decision, the Environmental Protection Agency (EPA) has established the first ever national limits on six types of toxic PFAS chemicals in drinking water. Commonly known as "forever chemicals" due to their persistence in the environment, PFAS have been linked to various serious health issues like cancers and liver problems.

Dubbing it a "huge, historic public health win", the EPA is restricting two of the most widely used PFAS - PFOA and PFOS - to no more than 4 parts per trillion. Three other variants, PFNA, PFHxS and GenX, cannot exceed 10 parts per trillion. This reflects the lowest levels technologies can currently detect and treat in tap water.

While 11 states already regulate PFAS, the EPA estimate...