30 CFR Part 33 — Dust Collectors for Use in Connection with Rock Drilling in Coal Mines
Subpart A — General Provisions
- § 33.1— Purpose.
- § 33.2— Definitions.
- § 33.3— Consultation.
- § 33.4— Types of dust collectors for which certificates of approval may be granted.
- § 33.6— Application procedures and requirements.
- § 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
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.