30 CFR Topic
Ventilation
July 29, 2020
§
57.22201
Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
§
57.22202
Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines)
§
57.22203
Main fan operation (I-C mines)
§
57.22204
Main fan operation and inspection (I-A, II-A, III, and V-A mines)
§
57.22205
Doors on main fans (I-A, II-A, III, and V-A mines)
§
57.22206
Main ventilation failure (I-A, II-A, III, and V-A mines)
§
57.22207
Booster fans (I-A, II-A, III, and V-A mines)
§
57.22208
Auxiliary fans (I-A, II-A, III, and V-A mines)
§
57.22209
Auxiliary fans (I-C mines)
§
57.22210
In-line filters (I-C mines)
§
57.22211
Air flow (I-A mines)
§
57.22212
Air flow (I-C, II-A, and V-A mines)
§
57.22213
Air flow (III mines)
§
57.22214
Changes in ventilation (I-A, II-A, III, and V-A mines)
§
57.22215
Separation of intake and return air (I-A, II-A, III, and V-A mines)
§
57.22216
Separation of intake and return air (I-C mines)
§
57.22217
Seals and stoppings (I-A, I-B, and I-C mines)
§
57.22218
Seals and stoppings (III, V-A, and V-B mines)
§
57.22219
Seals and stoppings (II-A mines)
§
57.22220
Air passing unsealed areas (I-A, II-A, III, and V-A mines)
§
57.22221
Overcast and undercast construction (I-A, II-A, III, and V-A mines)
§
57.22222
Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines)
§
57.22223
Crosscuts before abandonment (III mines)
§
57.22224
Auxiliary equipment stations (I-A and III mines)
§
57.22225
Auxiliary equipment stations (I-C mines)
§
57.22226
Testing for methane (IV mines)
§
57.22227
Approved testing devices (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
§
57.22228
Preshift examination (I-A, I-C, II-A, III, and V-A mines)
§
57.22229
Weekly testing (I-A, III, and V-A mines)
§
57.22230
Weekly testing (II-A mines)
§
57.22231
Actions at 0.25 percent methane (I-B, II-B, V-B, and VI mines)
§
57.22232
Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines)
§
57.22233
Actions at 0.5 percent methane (I-C mines)
§
57.22234
Actions at 1.0 percent methane (I-A, I-B, III, V-A, and V-B mines)
§
57.22235
Actions at 1.0 percent methane (I-C, II-A, II-B, and IV mines)
§
57.22236
Actions at 1.0 percent methane (VI mines)
§
57.22237
Actions at 2.0 to 2.5 percent methane in bleeder systems (I-A and III mines)
§
57.22238
Actions at 2.0 percent methane (I-B, II-B, V-B, and VI mines)
§
57.22239
Actions at 2.0 percent methane (IV mines)
§
57.22240
Actions at 2.0 percent methane (V-A mines)
§
57.22241
Advance face boreholes (I-C mines)
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