Regulation & law · 03/11/2020

EPA Finalizes Amendment to Phosphoric Acid Manufacturing NESHAP

The U.S. Environmental Protection Agency (EPA) has finalized an amendment to the national emission standards for hazardous air pollutants (NESHAP) for the Phosphoric Acid Manufacturing source category, revising the mercury emission limit for existing phosphate rock calciners based on new data indicating the maximum achievable control technology (MACT) floor did not accurately reflect average emission limitations.