En las minas grisutuosas las locomotoras deben ser de seguridad contra explosión de grisú. Su utilización debe suspenderse cuando la concentración de metano (CH) en la atmósfera sea igual o superior al 1%.
Decreto 1335 de 1987 →In force
Article 70
Decreto 1335 de 1987 · mediante el cual se expide el reglamento de seguridad de las labores subterráneas.
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