StacksVerified U.S. regulatory reference

40 CFR §420.104

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
  1. (a)Cold rolling mills—(1) Recirculation—single stand.
    1. (2)Recirculation—multiple stands.
    2. (3)Combination.
    3. (4)Direct application—single stand.
    4. (5)Direct application—multiple stands.
  2. (b)Cold worked pipe and tube mills—(1) Using water.
    1. (2)Using oil solutions.