40 C.F.R. § 421.54

Standards of performance for new sources.

Last amended: 2016Year: 2026Length: 331 wordsOfficial source

Cite as 40 C.F.R. § 421.54 (2026)

Any new source subject to this subpart shall achieve the following new source performance standards: (a) Subpart E—Casting Contact Cooling. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of copper cast Arsenic .692 .309 Copper .638 .304 Nickel .274 .184 Total suspended solids 7.470 5.976 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Subpart E—Anode and Cathode Rinse. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode copper production Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (c) Subpart E—Spent Electrolyte. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of copper cathode production Arsenic .068 .031 Copper .063 .030 Nickel .027 .018 Total suspended solids .735 .588 pH ( 1 ) ( 1 ) 1 Within the range 7.5 to 10.0 at all times. (d) Subpart E—Casting Wet Air Pollution Control. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of casting production Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (e) Subpart E—By-Product Recovery. NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing Arsenic .000 .000 Copper .000 .000 Nickel .000 .000 Total suspended solids .000 .000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. [49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]
40 C.F.R. § 421.54: Standards of performance for new sources. | Justis AI