173.193—Bromoacetone, methyl bromide, chloropicrin and methyl bromide or methyl chloride mixtures, etc.

[Amdt. 173-224, 55 FR 52643, Dec. 21, 1990, as amended at 56 FR 66271, Dec. 20, 1991; 57 FR 45463, Oct. 1, 1992]