(under the class definition) Subject matter drawn to control of the smoke or gas (including coloring, minimizing, etc.) produced by the use of an explosive or thermic composition or charge or to the control of liquid or solid wastes produced in such use. The subject matter includes compositions as well as processes not elsewhere classifiable.
SEE OR SEARCH CLASS
102, Ammunition and Explosives,
301+, for blasting methods which include procedures for fume or waste control which are not dependent upon the composition of the explosive.
134, Cleaning and Liquid Contact With Solids, appropriate
subclasses, for procedures for removing explosive residues from containers therefor.
431, Combustion, 126, for apparatus of that class having a flame-coloring additive.