Title 30, Part 33 — Dust Collectors for Use in Connection With Rock Drilling in Coal Mines
26 sections
Section 33.1
Purpose.
Section 33.2
Definitions.
Section 33.3
Consultation.
Section 33.4
Types of dust collectors for which certificates of approval may be granted.
Section 33.5
[Reserved]
Section 33.6
Application procedures and requirements.
Section 33.7
Date for conducting tests.
Section 33.8
Conduct of investigations, tests, and demonstrations.
Section 33.9
Certification of dust-collecting systems.
Section 33.10
Certificates of approval or performance.
Section 33.11
Approval plates.
Section 33.12
Changes after certification.
Section 33.13
Withdrawal of certification.
Section 33.20
Design and construction.
Section 33.21
Modification of test equipment.
Section 33.22
Mode of use.
Section 33.23
Mechanical positioning of parts.
Section 33.30
Test site.
Section 33.31
Test space.
Section 33.32
Determination of dust concentration.
Section 33.33
Allowable limits of dust concentration.
Section 33.34
Drilling test.
Section 33.35
Methods of drilling; dust-collector unit.
Section 33.36
Method of drilling; combination unit or dust-collecting system.
Section 33.37
Test procedure.
Section 33.38
Electrical parts.