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Section 23.1
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Definitions |
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Section 23.2
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Application procedures and requirements |
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Section 23.3
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Conditions governing investigations |
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Section 23.5
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General requirements for approval |
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Section 23.6
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Specific requirements for approval |
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Section 23.7
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Inspection and tests |
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Section 23.8
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Special requirements for complete devices |
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Section 23.9
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Material required for MSHA records |
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Section 23.10
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How approvals are granted |
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Section 23.11
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Wording, purpose, and use of approval plate |
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Section 23.12
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Withdrawal of approval |
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Section 23.13
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Instructions for handling future changes in design |
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Section 23.14
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Purpose |