StacksVerified U.S. regulatory reference

40 CFR §467.51

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
For the purpose of this subpart:
  1. (a)The “core” of the drawing with neat oils subcategory shall include drawing using neat oils, stationary casting, artificial aging, annealing, degreasing, sawing, and swaging.
  2. (b)The term “ancillary operation” shall mean any operation not previously included in the core, performed on-site, following or preceding the drawing operation. The ancillary operation shall include continuous rod casting, solution heat treatment, and cleaning or etching.