National Association of Clean Water Agencies v. Environmental Protection Agency No. 11-1131

On August 20, 2013, the U.S. Court of Appeals for the District of Columbia Circuit remanded portions of the March 21, 2011, Sewage Sludge Incinerators (SSI) New Source Performance Standards (NSPS) and Emission Guidelines (EG) rules. The 2011 rules remain in effect.

For more information on the Sewage Sludge Incinerators rules, visit the regulation page for Sewage Sludge Incineration Units (SSI): New Source Performance Standards (NSPS) and Emission Guidelines – 40 CFR 60 Subparts LLLL & MMMM.

• National Association of Clean Water Agencies v. Environmental Protection Agency (pdf) (242.7 KB, August 20, 2013, 11-1131)