NIOSH Mining Major Equipment
Large Fumes Chamber |
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| Large fumes chamber |
The large fumes chamber is used to determine the toxic fumes produced by a new candidate permissible explosive pursuant to approval by MSHA. The chamber is constructed of 3/4-inch steel with a volume of 1,354 cubic feet or 38.3 cubic meters. One pound of high explosive is loaded into a steel cannon connected to the end of the chamber. The resulting fumes are confined in the chamber for subsequent analysis. The toxic gases measured include NO, NO2, H2S, SO2, CO, and CO2.
Site: Pittsburgh Research Laboratory
Laboratory: Toxic Fumes Laboratory (Surface)