Published on: 18570958. The proposed rule adopts and incorporates by reference changes made to the federal effluent limitation guidelines and standards applicable to the steam electric power generating point source category of National Pollutant Discharge Elimination System (NPDES) dischargers. The proposed rule adopts and incorporates by reference requirements that are substantively identical to regulations adopted by the United States Environmental Protection Agency pursuant to federal law. The proposed rule incorporates by reference effluent limitation guidelines and standards applicable to the steam electric power generating industry in Title 40, Code of Federal Regulations, Part 423 revised on May 18, 2012, in the Federal Register at 77 FR 29834 and on November 3, 2015, in the Federal Register at 80 FR 67837.