Mealey's (December 20, 2021, 12:11 PM EST) -- SAN FRANCISCO — In a ruling issued Dec. 16, the Ninth Circuit U.S. Court of Appeals withdrew a September opinion and replaced it with a superseding opinion following a petition for rehearing by the Environmental Protection Agency in a dispute over a National Pollutant Discharge Elimination System (NPDES) permit issued for concentrated animal feeding operations (CAFOs) in Idaho....