40 CFR 467.21
§ 467.21 Specialized definitions.
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR 467.21, § 467.21 Specialized definitions, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/190885
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Full text
For the purpose of this subpart:
(a) The “core” of the rolling with emulsions subcategory shall include rolling using emulsions, roll grinding, stationary casting, homogenizing, artificial aging, annealing, and sawing.
(b) The term “ancillary operation” shall mean any operation not previously included in the core, performed on-site, following or preceding the rolling operation. The ancillary operations shall include direct chill casting, solution heat treatment, cleaning or etching, and degassing.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.