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Electronic Code of Federal Regulations

e-CFR data is current as of January 16, 2020

Title 30Chapter ISubchapter BPart 33


TITLE 30—Mineral Resources

CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS

PART 33—DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES

rule

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.
§33.5
[Reserved]
§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.
rule

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.
rule

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.

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