Deletion of methyl ethyl ketone from the list of hazardous air pollutants.

§ 63.61 Deletion of methyl ethyl ketone from the list of hazardous air pollutants.

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).

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