Section R11-1-1802. Classifying mines gassy

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A mine shall be deemed gassy and thereafter operated as a gassy mine if:

1.        The State Mine Inspector classifies the mine as gassy; or

2.        Flammable gas emanating from the orebody or the strata surrounding the orebody has been ignited in the mine; or

3.        A concentration of 0.25% or more, by air analysis, of flammable gas emanating only from the orebody or the strata surrounding the orebody has been detected not less than 12 inches from the back, face, or ribs in any open working; or

4.        The mine is connected to a gassy mine.

Historical Note

Former Rule 18:02.

                    
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