StacksVerified U.S. regulatory reference

40 CFR §420.96

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.
  1. (a)Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.
    1. (2)Bar, billet, and bloom.
    2. (3)Strip, sheet, and plate.
    3. (4)Pipe, tube, other products.
    4. (5)Fume scrubber.
  2. (b)Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.
    1. (2)Strip, sheet, and plate.
    2. (3)Pipe, tube, and other products.
    3. (4)Fume scrubber.
  3. (c)Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.
    1. (2)Bar, billet, and bloom.
    2. (3)Strip, sheet, and plate—continuous.
    3. (4)Strip, sheet, and plate—batch.
    4. (5)Pipe, tube, and other products.
    5. (6)Fume scrubber.