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30 C.F.R. PART 33--DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES

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

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.

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.