Code of Federal Regulations (alpha)

CFR /  Title 30  /  Part 33: Dust Collectors For Use In Connection With Rock Drilling In Coal Mines

Section No. Description
Section 33.1 Definitions
Section 33.2 Consultation
Section 33.3 Types of dust collectors for which certificates of approval may be granted
Section 33.4 Application procedures and requirements
Section 33.6 Date for conducting tests
Section 33.7 Conduct of investigations, tests, and demonstrations
Section 33.8 Certification of dust-collecting systems
Section 33.9 Certificates of approval or performance
Section 33.10 Approval plates
Section 33.11 Changes after certification
Section 33.12 Withdrawal of certification
Section 33.13 Design and construction
Section 33.20 Modification of test equipment
Section 33.21 Mode of use
Section 33.22 Mechanical positioning of parts
Section 33.23 Test site
Section 33.30 Test space
Section 33.31 Determination of dust concentration
Section 33.32 Allowable limits of dust concentration
Section 33.33 Drilling test
Section 33.34 Methods of drilling; dust-collector unit
Section 33.35 Method of drilling; combination unit or dust-collecting system
Section 33.36 Test procedure
Section 33.37 Electrical parts
Section 33.38 Purpose