§ 74.1 - Purpose.

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- Friday, January 1, 2010
- Thursday, January 1, 1998
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§ 74.1 Purpose.

The regulations in this part set forth the requirements for approval of coal mine dust sampling devices for determining the concentrations of respirable dust in coal mine atmospheres; procedures for applying for such approval; test procedures; and labeling.

                    
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§ 74.1 - Purpose.

§ 74.1 Purpose.