Notice of Settlement Extension: National Ambient Air Quality Standard for Sulfur Oxides Remand

Summary

The US Court of Appeals for the District of Columbia Circuit ordered the EPA to revise the National Ambient Air Quality Standard for sulfur oxides, prompting a settlement extension. The EPA and the American Lung Association agreed to extend the deadline for proposing a response to the court's remand from summer 1999 to January 15, 2000.