A synthetic rubber manufacturer accused of increasing the cancer risk for the nearby majority-Black community in Louisiana told a federal appeals court it will have to shut down “likely permanently” if it’s forced to meet the Biden administration’s deadline to reduce emissions.

Denka Performance Elastomer on Tuesday blamed a new Environmental Protection Agency rule that targets emissions at more than 200 industrial plants, arguing that other, more dangerous facilities face a 2-year deadline to comply while it was singled out with an “illegal and politically motivated” 90-day deadline.