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U.S. State Codes
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Washington
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Title 49 - Labor Regulations
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Chapter 49.24 - Health and Safety—Underground W...
Chapter 49.24 - Health and Safety—Underground Workers.
49.24.010 Pressure defined.
49.24.020 Compressed air safety requirements.
49.24.030 Medical and nursing attendants.
49.24.040 Examination as to physical fitness.
49.24.060 Penalty.
49.24.070 Enforcement.
49.24.080 Requirements for underground labor.
49.24.100 Lighting appliances.
49.24.110 Exhaust valves.
49.24.120 Fire prevention.
49.24.130 Air chambers—Hanging walks.
49.24.140 Locks.
49.24.150 Explosives and detonators.
49.24.160 Air plant—Feed water.
49.24.170 Electric power requirements.
49.24.180 Inspection.
49.24.190 Cars, cages, buckets—Employees riding or walking.
49.24.200 Speed of vehicles.
49.24.210 Oil supply restricted.
49.24.220 Explosives, use of—Blasting.
49.24.230 Firing switch—Warning by blaster.
49.24.240 Inspection after blast.
49.24.250 Code of signals.
49.24.260 Requirements as to caissons.
49.24.270 Shields to be provided.
49.24.280 Caissons to be braced.
49.24.290 Cages—Hoisting apparatus.
49.24.300 Buckets in vertical shafts.
49.24.310 Telephone system for tunnels.
49.24.320 Location of lights.
49.24.330 Generators, transformers, etc., to be grounded.
49.24.340 Electrical voltage.
49.24.350 Lamps to be held in reserve.
49.24.360 Insulators required.
49.24.370 Director to make rules and regulations.
49.24.380 Penalty.