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U.S. Department of Labor Mine Safety and Health Administration Protecting Miners' Safety and Health Since 1978 |
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PART 33--DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES Subpart A--General Provisions Section 33.1 Purpose. 33.2 Definitions. 33.3 Consultation. 33.4 Types of dust collectors for which certificates of approval may be granted. 33.5 [Reserved] 33.6 Applications. 33.7 Date for conducting tests. 33.8 Conduct of investigations, tests, and demonstrations. 33.9 Certification of dust-collecting systems. 33.10 Certificates of approval or performance. 33.11 Approval plates. 33.12 Changes after certification. 33.13 Withdrawal of certification. Subpart B--Dust-Collector Requirements 33.20 Design and construction. 33.21 Modification of test equipment. 33.22 Mode of use. 33.23 Mechanical positioning of parts. 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.
AUTHORITY: 30 U.S.C. 957 , 961 .
SOURCE: Schedule 25B, 25 FR 6473, July 9, 1960, unless otherwise noted. |
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