Special Provision: T50

Octafluorocyclobutane, or Refrigerant gas RC 318

Octafluoropropane or Refrigerant gas R 218

Methylamine, anhydrous

Methyl mercaptan

Methyl chloride and methylene chloride mixtures

Methyl chloride or Refrigerant gas R 40

Methyl acetylene and propadiene mixtures, stabilized

Methyl bromide

Liquefied gas, flammable, n.o.s.

Liquefied gas, n.o.s.