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Title 30Chapter ISubchapter K → Part 58


Title 30: Mineral Resources


PART 58—HEALTH STANDARDS FOR METAL AND NONMETAL MINES


Contents

Subpart A—General

§58.1   Scope.

Subparts B-D [Reserved]

Subpart E—Miscellaneous

§58.610   Abrasive blasting.
§58.620   Drill dust control.

Authority: 30 U.S.C. 811, 957, 961.

Source: 59 FR 8327, Feb. 18, 1994, unless otherwise noted.

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Subpart A—General

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§58.1   Scope.

The health standards in this part apply to all metal and nonmetal mines.

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Subparts B-D [Reserved]

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Subpart E—Miscellaneous

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§58.610   Abrasive blasting.

(a) Surface and underground mines. When an abrasive blasting operation is performed, all exposed miners shall use in accordance with 30 CFR 56.5005 or 57.5005 respirators approved for abrasive blasting by NIOSH under 42 CFR part 84, or the operation shall be performed in a totally enclosed device with the miner outside the device.

(b) Underground areas of underground mines. Silica sand or other materials containing more than 1 percent free silica shall not be used as an abrasive substance in abrasive blasting.

[59 FR 8327, Feb. 18, 1994, as amended at 60 FR 30401, June 8, 1995]

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§58.620   Drill dust control.

Holes shall be collared and drilled wet, or other effective dust control measures shall be used, when drilling non-water-soluble material. Effective dust control measures shall be used when drilling water-soluble materials.

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