En minas con polvo de carbón volátil muy fino (pulverulentas), se deben humedecer paredes, pisos y techos antes de efectuar la voladura. Además, se debe neutralizar el polvo de carbón en una longitud de quince metros a partir del frente donde se lleve a cabo la voladura.
Decreto 1335 de 1987 →In force
Article 123
Decreto 1335 de 1987 · mediante el cual se expide el reglamento de seguridad de las labores subterráneas.
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