1. Regulations
  2. title 40
  3. chapter I-i12
  4. part 63
  5. subpart C
  6. § 63.61

View all text of Subpart C [§ 63.60 - § 63.69]

§ 63.61 -

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).

[70 FR 75059, Dec. 19, 2005]

AUTHORITY: 42 U.S.C. 7401

SOURCE: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.

CITE AS: 40 CFR 63.61