40 CFR 63.61
§ 63.61 Deletion of methyl ethyl ketone from the list of hazardous air pollutants.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 63.61, § 63.61 Deletion of methyl ethyl ketone from the list of hazardous air pollutants, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/174907
- Permanent ID
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5c61a3409de0016cf0008301d306001ac441e044804fa29d306fc1e6b674d1ca
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Full text
The substance methyl ethyl ketone (MEK, 2-Butanone) (CAS Number 78-93-3) is deleted from the list of hazardous air pollutants established by 42 U.S.C. 7412(b)(1).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.