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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter B - Testing, Evaluation, and Approval of Mining Products |
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Part 33 - Dust Collectors for Use in Connection With Rock Drilling in Coal Mines |
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Subpart C - Test Requirements |
| § 33.30 - Test site. |
| § 33.31 - Test space. |
| § 33.32 - Determination of dust concentration. |
| § 33.33 - Allowable limits of dust concentration. |
| § 33.34 - Drilling test. |
| § 33.35 - Methods of drilling; dust-collector unit. |
| § 33.36 - Method of drilling; combination unit or dust-collecting system. |
| § 33.37 - Test procedure. |
| § 33.38 - Electrical parts. |