StacksVerified U.S. regulatory reference

40 CFR §420.72

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
  1. (a)Primary mills, carbon and specialty—(1) Without scarfing.
    1. (2)With scarfing.
  2. (b)Section mills—(1) Carbon.
    1. (2)Specialty.
  3. (c)Flat mills—(1) Hot strip and sheet mills, carbon and specialty.
    1. (2)Carbon plate mills.
    2. (3)Specialty plate mills.
  4. (d)Pipe and tube mills, carbon and specialty.