CFR /  Title 30  /  Part 57: Safety And Health Standards_Underground Metal And Nonmetal Mines

Section No.	Description
Section 57.1	Definitions
Section 57.2	Notification of commencement of operations and closing of mines
Section 57.1000	Definitions
Section 57.3000	Correction of hazardous conditions
Section 57.3200	Location for performing scaling
Section 57.3201	Scaling tools
Section 57.3202	Rock fixtures
Section 57.3203	Ground support use
Section 57.3360	Secondary breakage
Section 57.3400	Examination of ground conditions
Section 57.3401	Activity between machinery or equipment and the highwall or bank
Section 57.3430	Maintenance between machinery or equipment and ribs
Section 57.3460	Rock bursts
Section 57.3461	Definitions
Section 57.4000	Abandoned electric circuits
Section 57.4011	Underground trailing cables
Section 57.4057	Smoking and use of open flames
Section 57.4100	Warning signs
Section 57.4101	Spillage and leakage
Section 57.4102	Fueling internal combustion engines
Section 57.4103	Combustible waste
Section 57.4104	Surface electric substations and liquid storage facilities
Section 57.4130	Surface fan installations and mine openings
Section 57.4131	Underground electric substations and liquid storage facilities
Section 57.4160	Use of fire underground
Section 57.4161	General requirements
Section 57.4200	Inspection
Section 57.4201	Fire hydrants
Section 57.4202	Extinguisher recharging or replacement
Section 57.4203	Surface self-propelled equipment
Section 57.4230	Underground self-propelled equipment
Section 57.4260	Shaft-station waterlines
Section 57.4261	Underground transformer stations, combustible liquid storage and dispensing areas, pump rooms, compressor rooms, and hoist rooms
Section 57.4262	Underground belt conveyors
Section 57.4263	Surface firefighting, evacuation, and rescue procedures
Section 57.4330	Surface firefighting drills
Section 57.4331	Underground alarm systems
Section 57.4360	Underground evacuation drills
Section 57.4361	Underground rescue and firefighting operations
Section 57.4362	Underground evacuation instruction
Section 57.4363	Use restrictions
Section 57.4400	Storage tank foundations
Section 57.4401	Safety can use
Section 57.4402	Surface storage facilities
Section 57.4430	Surface storage restrictions
Section 57.4431	Storage of flammable liquids underground
Section 57.4460	Gasoline use restrictions underground
Section 57.4461	Storage of combustible liquids underground
Section 57.4462	Liquefied petroleum gas use underground
Section 57.4463	Heat sources
Section 57.4500	Fuel lines
Section 57.4501	Battery-charging stations
Section 57.4502	Conveyor belt slippage
Section 57.4503	Fan installations
Section 57.4504	Fuel lines to underground areas
Section 57.4505	Exits for surface buildings and structures
Section 57.4530	Surface flammable or combustible liquid storage buildings or rooms
Section 57.4531	Blacksmith shops
Section 57.4532	Mine opening vicinity
Section 57.4533	Mine entrances
Section 57.4560	Stationary diesel equipment underground
Section 57.4561	Extinguishing equipment
Section 57.4600	Oxygen cylinder storage
Section 57.4601	Gauges and regulators
Section 57.4602	Closure of valves
Section 57.4603	Preparation of pipelines or containers
Section 57.4604	Work in shafts, raises, or winzes and other activities involving hazard areas
Section 57.4660	Shaft mines
Section 57.4760	Underground shops
Section 57.4761	Exposure limits for airborne contaminants
Section 57.5001	Exposure monitoring
Section 57.5002	Control of exposure to airborne contaminants
Section 57.5005	Restricted use of chemicals
Section 57.5006	Oxygen deficiency
Section 57.5015	Radon daughter exposure monitoring
Section 57.5037	Annual exposure limits
Section 57.5038	Maximum permissible concentration
Section 57.5039	Exposure records
Section 57.5040	Smoking prohibition
Section 57.5041	Revised exposure levels
Section 57.5042	Respirators
Section 57.5044	Posting of inactive workings
Section 57.5045	Protection against radon gas
Section 57.5046	Gamma radiation surveys
Section 57.5047	Limit on exposure to diesel particulate matter
Section 57.5060	Compliance determinations
Section 57.5061	Fueling practices
Section 57.5065	Maintenance standards
Section 57.5066	Engines
Section 57.5067	Miner training
Section 57.5070	Exposure monitoring
Section 57.5071	Diesel particulate records
Section 57.5075	Definitions
Section 57.6000	Separation of stored explosive material
Section 57.6100	Areas around explosive material storage facilities
Section 57.6101	Explosive material storage practices
Section 57.6102	Explosive material storage facilities
Section 57.6130	Location of explosive material storage facilities
Section 57.6131	Magazine requirements
Section 57.6132	Powder chests
Section 57.6133	Main facilities
Section 57.6160	Auxiliary facilities
Section 57.6161	Delivery to storage or blast site areas
Section 57.6200	Separation of transported explosive material
Section 57.6201	Vehicles
Section 57.6202	Locomotives
Section 57.6203	Hoists
Section 57.6204	Conveying explosives by hand
Section 57.6205	Control of blasting operations
Section 57.6300	Blasthole obstruction check
Section 57.6301	Separation of explosive material
Section 57.6302	Initiation preparation
Section 57.6303	Primer protection
Section 57.6304	Unused explosive material
Section 57.6305	Loading, blasting, and security
Section 57.6306	Drill stem loading
Section 57.6307	Initiation systems
Section 57.6308	Fuel oil requirements for ANFO
Section 57.6309	Misfire waiting period
Section 57.6310	Handling of misfires
Section 57.6311	Secondary blasting
Section 57.6312	Compatibility of electric detonators
Section 57.6400	Shunting
Section 57.6401	Deenergized circuits near detonators
Section 57.6402	Branch circuits
Section 57.6403	Separation of blasting circuits from power source
Section 57.6404	Firing devices
Section 57.6405	Duration of current flow
Section 57.6406	Circuit testing
Section 57.6407	Damaged initiating material
Section 57.6500	Nonelectric initiation systems
Section 57.6501	Safety fuse
Section 57.6502	Loading practices
Section 57.6600	Grounding
Section 57.6601	Static electricity dissipation during loading
Section 57.6602	Air gap
Section 57.6603	Precautions during storms
Section 57.6604	Isolation of blasting circuits
Section 57.6605	Nonsparking tools
Section 57.6700	Tamping and loading pole requirements
Section 57.6701	Storage facilities
Section 57.6800	Vehicle repair
Section 57.6801	Bulk delivery vehicles
Section 57.6802	Blasting lines
Section 57.6803	Damaged or deteriorated explosive material
Section 57.6900	Black powder
Section 57.6901	Excessive temperatures
Section 57.6902	Burning explosive material
Section 57.6903	Smoking and open flames
Section 57.6904	Protection of explosive material
Section 57.6905	Mixing of explosive material
Section 57.6960	Equipment defects
Section 57.7002	Drill area inspection
Section 57.7003	Drill mast
Section 57.7004	Augers and drill stems
Section 57.7005	Moving the drill
Section 57.7008	Drill helpers
Section 57.7009	Power failures
Section 57.7010	Straightening crossed cables
Section 57.7011	Tending drills in operation
Section 57.7012	Covering or guarding drill holes
Section 57.7013	Hand clearance
Section 57.7018	Hand clearance
Section 57.7028	Anchoring
Section 57.7032	Tool and drill steel racks
Section 57.7050	Loose objects on the mast or drill platform
Section 57.7051	Drilling positions
Section 57.7052	Moving hand-held drills
Section 57.7053	Starting or moving drill equipment
Section 57.7054	Intersecting holes
Section 57.7055	Collaring in bootlegs
Section 57.7056	Jet drills
Section 57.7801	Oxygen hose lines
Section 57.7802	Lighting the burner
Section 57.7803	Refueling
Section 57.7804	Smoking and open flames
Section 57.7805	Oxygen intake coupling
Section 57.7806	Flushing the combustion chamber
Section 57.7807	Main and booster fans
Section 57.8518	Underground main fan controls
Section 57.8519	Ventilation plan
Section 57.8520	Main fan maintenance
Section 57.8525	Oxygen-deficiency testing
Section 57.8527	Unventilated areas
Section 57.8528	Auxiliary fan systems
Section 57.8529	Construction and maintenance of ventilation doors
Section 57.8531	Opening and closing ventilation doors
Section 57.8532	Shutdown or failure of auxiliary fans
Section 57.8534	Seals
Section 57.8535	Traffic control
Section 57.9100	Operating speeds and control of equipment
Section 57.9101	Movement of independently operating rail equipment
Section 57.9102	Clearance on adjacent tracks
Section 57.9103	Railroad crossings
Section 57.9104	Train movement during shift changes
Section 57.9160	Transporting persons
Section 57.9200	Loading, hauling, and unloading of equipment or supplies
Section 57.9201	Loading and hauling large rocks
Section 57.9202	Supplies, materials, and tools on mantrips
Section 57.9260	Transporting tools and materials on locomotives
Section 57.9261	Berms or guardrails
Section 57.9300	Dump site restraints
Section 57.9301	Protection against moving or runaway railroad equipment
Section 57.9302	Construction of ramps and dumping facilities
Section 57.9303	Unstable ground
Section 57.9304	Truck spotters
Section 57.9305	Warning devices for restricted clearances
Section 57.9306	Design, installation, and maintenance of railroads
Section 57.9307	Switch throws
Section 57.9308	Chute design
Section 57.9309	Chute hazards
Section 57.9310	Anchoring stationary sizing devices
Section 57.9311	Working around drawholes
Section 57.9312	Roadway maintenance
Section 57.9313	Trimming stockpile and muckpile faces
Section 57.9314	Dust control
Section 57.9315	Notifying the equipment operator
Section 57.9316	Suspended loads
Section 57.9317	Getting on or off moving equipment
Section 57.9318	Going over, under, or between railcars
Section 57.9319	Clearance for surface equipment
Section 57.9330	Shelter holes
Section 57.9360	Drawholes
Section 57.9361	Protection of signalmen
Section 57.9362	Filling buckets
Section 57.10001	Inspection and maintenance
Section 57.10002	Correction of defects
Section 57.10003	Brakes
Section 57.10004	Track cable connections
Section 57.10005	Tower guards
Section 57.10006	Falling object protection
Section 57.10007	Riding tramways
Section 57.10008	Riding loaded buckets
Section 57.10009	Starting precautions
Section 57.10010	Safe access
Section 57.11001	Handrails and toeboards
Section 57.11002	Construction and maintenance of ladders
Section 57.11003	Portable rigid ladders
Section 57.11004	Fixed ladder anchorage and toe clearance
Section 57.11005	Fixed ladder landings
Section 57.11006	Wooden components of ladders
Section 57.11007	Restricted clearance
Section 57.11008	Walkways along conveyors
Section 57.11009	Stairstep clearance
Section 57.11010	Use of ladders
Section 57.11011	Protection for openings around travelways
Section 57.11012	Conveyor crossovers
Section 57.11013	Crossing moving conveyors
Section 57.11014	Snow and ice on walkways and travelways
Section 57.11016	Inclined fixed ladders
Section 57.11017	Railed landings, backguards, and other protection for fixed ladders
Section 57.11025	Protection for inclined fixed ladders
Section 57.11026	Scaffolds and working platforms
Section 57.11027	Ladderway trap doors and guards
Section 57.11036	Ladderway openings
Section 57.11037	Entering a manway
Section 57.11038	Inclined travelways
Section 57.11040	Landings for inclined ladderways
Section 57.11041	Escapeways and refuges
Section 57.11050	Escape routes
Section 57.11051	Refuge areas
Section 57.11052	Escape and evacuation plans
Section 57.11053	Communication with refuge chambers
Section 57.11054	Inclined escapeways
Section 57.11055	Emergency hoists
Section 57.11056	Check-in, check-out system
Section 57.11058	Respirable atmosphere for hoist operators underground
Section 57.11059	Circuit overload protection
Section 57.12001	Controls and switches
Section 57.12002	Trailing cable overload protection
Section 57.12003	Electrical conductors
Section 57.12004	Protection of power conductors from mobile equipment
Section 57.12005	Distribution boxes
Section 57.12006	Junction box connection procedures
Section 57.12007	Insulation and fittings for power wires and cables
Section 57.12008	Isolation or insulation of communication conductors
Section 57.12010	High-potential electrical conductors
Section 57.12011	Bare signal wires
Section 57.12012	Splices and repairs of power cables
Section 57.12013	Handling energized power cables
Section 57.12014	Work on electrically-powered equipment
Section 57.12016	Work on power circuits
Section 57.12017	Identification of power switches
Section 57.12018	Access to stationary electrical equipment or switchgear
Section 57.12019	Protection of persons at switchgear
Section 57.12020	Danger signs
Section 57.12021	Authorized persons at major electrical installations
Section 57.12022	Guarding electrical connections and resistor grids
Section 57.12023	Grounding circuit enclosures
Section 57.12025	Grounding transformer and switchgear enclosures
Section 57.12026	Grounding mobile equipment
Section 57.12027	Testing grounding systems
Section 57.12028	Correction of dangerous conditions
Section 57.12030	Inspection and cover plates
Section 57.12032	Hand-held electric tools
Section 57.12033	Guarding around lights
Section 57.12034	Weatherproof lamp sockets
Section 57.12035	Fuse removal or replacement
Section 57.12036	Fuses in high-potential circuits
Section 57.12037	Attachment of trailing cables
Section 57.12038	Protection of surplus trailing cables
Section 57.12039	Installation of operating controls
Section 57.12040	Design of switches and starting boxes
Section 57.12041	Track bonding
Section 57.12042	Overhead powerlines
Section 57.12045	Guy wires
Section 57.12047	Communication conductors on power poles
Section 57.12048	Installation of trolley wires
Section 57.12050	Circuits powered from trolley wires
Section 57.12053	Short circuit and lightning protection
Section 57.12065	Guarding trolley wires and bare powerlines
Section 57.12066	Installation of transformers
Section 57.12067	Locking transformer enclosures
Section 57.12068	Lightning protection for telephone wires and ungrounded conductors
Section 57.12069	Movement or operation of equipment near high-voltage powerlines
Section 57.12071	Bare conductor guards
Section 57.12080	Bonding metal pipelines to ground return circuits
Section 57.12081	Isolation of powerlines
Section 57.12082	Support of power cables in shafts and boreholes
Section 57.12083	Branch circuit disconnecting devices
Section 57.12084	Transformer stations
Section 57.12085	Location of trolley wire
Section 57.12086	Splicing trailing cables
Section 57.12088	General requirements for boilers and pressure vessels
Section 57.13001	Reciprocating-type air compressors
Section 57.13010	Air receiver tanks
Section 57.13011	Compressor air intakes
Section 57.13012	Inspection of compressed-air receivers and other unfired pressure vessels
Section 57.13015	Compressor discharge pipes
Section 57.13017	Pressure system repairs
Section 57.13019	Use of compressed air
Section 57.13020	High-pressure hose connections
Section 57.13021	Boilers
Section 57.13030	Definitions
Section 57.14000	Safety defects; examination, correction and records
Section 57.14100	Brakes
Section 57.14101	Brakes for rail equipment
Section 57.14102	Operators' stations
Section 57.14103	Tire repairs
Section 57.14104	Procedures during repairs or maintenance
Section 57.14105	Falling object protection
Section 57.14106	Moving machine parts
Section 57.14107	Overhead drive belts
Section 57.14108	Unguarded conveyors with adjacent travelways
Section 57.14109	Flying or falling materials
Section 57.14110	Slusher, backlash guards and securing
Section 57.14111	Construction and maintenance of guards
Section 57.14112	Inclined conveyors: backstops or brakes
Section 57.14113	Air valves for pneumatic equipment
Section 57.14114	Stationary grinding machines
Section 57.14115	Hand-held power tools
Section 57.14116	Roll-over protective structures (ROPS) and seat belts for surface equipment
Section 57.14130	Seat belts for surface haulage trucks
Section 57.14131	Horns and backup alarms for surface equipment
Section 57.14132	Mantrip trolley wire hazards underground
Section 57.14160	Makeshift couplings
Section 57.14161	Trip lights
Section 57.14162	Warnings prior to starting or moving equipment
Section 57.14200	Conveyor start-up warnings
Section 57.14201	Manual cleaning of conveyor pulleys
Section 57.14202	Application of belt dressing
Section 57.14203	Machinery lubrication
Section 57.14204	Machinery, equipment, and tools
Section 57.14205	Securing movable parts
Section 57.14206	Parking procedures for unattended equipment
Section 57.14207	Warning devices
Section 57.14208	Safety procedures for towing
Section 57.14209	Movement of dippers, buckets, loading booms, or suspended loads
Section 57.14210	Blocking equipment in a raised position
Section 57.14211	Chains, ropes, and drive belts
Section 57.14212	Ventilation and shielding for welding
Section 57.14213	Train warnings
Section 57.14214	Coupling or uncoupling cars
Section 57.14215	Backpoling
Section 57.14216	Securing parked railcars
Section 57.14217	Movement of equipment on adjacent tracks
Section 57.14218	Brakeman signals
Section 57.14219	First aid materials
Section 57.15001	Hard hats
Section 57.15002	Protective footwear
Section 57.15003	Eye protection
Section 57.15004	Safety belts and lines
Section 57.15005	Protective equipment and clothing for hazards and irritants
Section 57.15006	Protective equipment or clothing for welding, cutting, or working with molten metal
Section 57.15007	Eye protection when operating grinding wheels
Section 57.15014	Life jackets and belts
Section 57.15020	Provision and maintenance of self-rescue devices
Section 57.15030	Location of self-rescue devices
Section 57.15031	Stacking and storage of materials
Section 57.16001	Bins, hoppers, silos, tanks, and surge piles
Section 57.16002	Storage of hazardous materials
Section 57.16003	Containers for hazardous materials
Section 57.16004	Securing gas cylinders
Section 57.16005	Protection of gas cylinder valves
Section 57.16006	Taglines, hitches, and slings
Section 57.16007	Suspended loads
Section 57.16009	Dropping materials from overhead
Section 57.16010	Riding hoisted loads or on the hoist hook
Section 57.16011	Storage of incompatible substances
Section 57.16012	Working with molten metal
Section 57.16013	Operator-carrying overhead cranes
Section 57.16014	Work or travel on overhead crane bridges
Section 57.16015	Lift trucks
Section 57.16016	Hoisting heavy equipment or material
Section 57.16017	Illumination of surface working areas
Section 57.17001	Electric lamps
Section 57.17010	Examination of working places
Section 57.18002	New employees
Section 57.18006	Designation of person in charge
Section 57.18009	First aid
Section 57.18010	Emergency telephone numbers
Section 57.18012	Emergency communications system
Section 57.18013	Emergency medical assistance and transportation
Section 57.18014	Working alone
Section 57.18020	Working alone
Section 57.18025	Mine emergency and self-rescuer training
Section 57.18028	Application
Section 57.19000	Rated capacities
Section 57.19001	Anchoring
Section 57.19002	Driving mechanism connections
Section 57.19003	Brakes
Section 57.19004	Locking mechanism for clutch
Section 57.19005	Automatic hoist braking devices
Section 57.19006	Overtravel and overspeed devices
Section 57.19007	Friction hoist synchronizing mechanisms
Section 57.19008	Position indicator
Section 57.19009	Location of hoist controls
Section 57.19010	Drum flanges
Section 57.19011	Grooved drums
Section 57.19012	Diesel- and other fuel-injection-powered hoists
Section 57.19013	Friction hoist overtravel protection
Section 57.19014	Emergency braking for electric hoists
Section 57.19017	Overtravel by-pass switches
Section 57.19018	Guide ropes
Section 57.19019	Minimum rope strength
Section 57.19021	Initial measurement
Section 57.19022	Examinations
Section 57.19023	Retirement criteria
Section 57.19024	Load end attachments
Section 57.19025	Drum end attachment
Section 57.19026	End attachment retermination
Section 57.19027	End attachment replacement
Section 57.19028	Safety device attachments
Section 57.19030	Headframe design
Section 57.19035	Headframe height
Section 57.19036	Fleet angles
Section 57.19037	Platforms around elevated head sheaves
Section 57.19038	Metal bonnets
Section 57.19045	Hoisting persons in buckets
Section 57.19049	Bucket requirements
Section 57.19050	Rope guides
Section 57.19054	Availability of hoist operator for manual hoists
Section 57.19055	Availability of hoist operator for automatic hoists
Section 57.19056	Hoist operator's physical fitness
Section 57.19057	Experienced hoist operators
Section 57.19058	Maximum hoisting speeds
Section 57.19061	Maximum acceleration and deceleration
Section 57.19062	Persons allowed in hoist room
Section 57.19063	Lowering conveyances by the brakes
Section 57.19065	Maximum riders in a conveyance
Section 57.19066	Trips during shift changes
Section 57.19067	Orderly conduct in conveyances
Section 57.19068	Entering and leaving conveyances
Section 57.19069	Closing cage doors or gates
Section 57.19070	Riding in skips or buckets
Section 57.19071	Skips and cages in same compartment
Section 57.19072	Hoisting during shift changes
Section 57.19073	Riding the bail, rim, bonnet, or crosshead
Section 57.19074	Use of open hooks
Section 57.19075	Maximum speeds for hoisting persons in buckets
Section 57.19076	Lowering buckets
Section 57.19077	Hoisting buckets from the shaft bottom
Section 57.19078	Blocking mine cars
Section 57.19079	Hoisting tools, timbers, and other materials
Section 57.19080	Conveyances not in use
Section 57.19081	Overtravel backout device
Section 57.19083	Dual signaling systems
Section 57.19090	Signaling instructions to hoist operator
Section 57.19091	Signaling from conveyances
Section 57.19092	Standard signal code
Section 57.19093	Posting signal code
Section 57.19094	Location of signal devices
Section 57.19095	Familiarity with signal code
Section 57.19096	Shaft landing gates
Section 57.19100	Stopblocks and derail switches
Section 57.19101	Shaft guides
Section 57.19102	Dumping facilities and loading pockets
Section 57.19103	Clearance at shaft stations
Section 57.19104	Landings with more than one shaft entrance
Section 57.19105	Shaft sets
Section 57.19106	Precautions for work in compartment affected by hoisting operation
Section 57.19107	Posting warning signs during shaft work
Section 57.19108	Shaft inspection and repair
Section 57.19109	Overhead protection for shaft deepening work
Section 57.19110	Shaft-sinking ladders
Section 57.19111	Procedures for inspection, testing, and maintenance
Section 57.19120	Recordkeeping
Section 57.19121	Replacement parts
Section 57.19122	Examinations and tests at beginning of shift
Section 57.19129	Conveyance shaft test
Section 57.19130	Hoist conveyance connections
Section 57.19131	Safety catches
Section 57.19132	Shaft
Section 57.19133	Sheaves
Section 57.19134	Rollers in inclined shafts
Section 57.19135	Intoxicating beverages and narcotics
Section 57.20001	Potable water
Section 57.20002	Housekeeping
Section 57.20003	Carbon tetrachloride
Section 57.20005	Toilet facilities
Section 57.20008	Tests for explosive dusts
Section 57.20009	Retaining dams
Section 57.20010	Barricades and warning signs
Section 57.20011	Waste receptacles
Section 57.20013	Prohibited areas for food and beverages
Section 57.20014	Unattended mine openings
Section 57.20020	Abandoned mine openings
Section 57.20021	Blasting underground in hazardous areas
Section 57.20031	Two-way communication equipment for underground operations
Section 57.20032	Scope
Section 57.22001	Definitions
Section 57.22002	Mine category or subcategory
Section 57.22003	Category placement or change in placement
Section 57.22004	Notice and appeal of placement or change in placement
Section 57.22005	Smoking (I-A, II-A, III, and V-A mines)
Section 57.22101	Smoking (I-C mines)
Section 57.22102	Open flames (I-A, II-A, III, and V-A mines)
Section 57.22103	Open flames (I-C mines)
Section 57.22104	Smoking and open flames (IV mines)
Section 57.22105	Dust containing volatile matter (I-C mines)
Section 57.22106	Mechanical ventilation (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
Section 57.22201	Main fans (I-A, I-B, I-C, II-A, III, V-A, and V-B mines)
Section 57.22202	Main fan operation (I-C mines)
Section 57.22203	Main fan operation and inspection (I-A, II-A, III, and V-A mines)
Section 57.22204	Doors on main fans (I-A, II-A, III, and V-A mines)
Section 57.22205	Main ventilation failure (I-A, II-A, III, and V-A mines)
Section 57.22206	Booster fans (I-A, II-A, III, and V-A mines)
Section 57.22207	Auxiliary fans (I-A, II-A, III, and V-A mines)
Section 57.22208	Auxiliary fans (I-C mines)
Section 57.22209	In-line filters (I-C mines)
Section 57.22210	Air flow (I-A mines)
Section 57.22211	Air flow (I-C, II-A, and V-A mines)
Section 57.22212	Air flow (III mines)
Section 57.22213	Changes in ventilation (I-A, II-A, III, and V-A mines)
Section 57.22214	Separation of intake and return air (I-A, II-A, III, and V-A mines)
Section 57.22215	Separation of intake and return air (I-C mines)
Section 57.22216	Seals and stoppings (I-A, I-B, and I-C mines)
Section 57.22217	Seals and stoppings (III, V-A, and V-B mines)
Section 57.22218	Seals and stoppings (II-A mines)
Section 57.22219	Air passing unsealed areas (I-A, II-A, III, and V-A mines)
Section 57.22220	Overcast and undercast construction (I-A, II-A, III, and V-A mines)
Section 57.22221	Ventilation materials (I-A, I-B, I-C, II-A, III, V-A, and V-B mines)
Section 57.22222	Crosscuts before abandonment (III mines)
Section 57.22223	Auxiliary equipment stations (I-A and III mines)
Section 57.22224	Auxiliary equipment stations (I-C mines)
Section 57.22225	Testing for methane (IV mines)
Section 57.22226	Approved testing devices (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
Section 57.22227	Preshift examination (I-A, I-C, II-A, III, and V-A mines)
Section 57.22228	Weekly testing (I-A, III, and V-A mines)
Section 57.22229	Weekly testing (II-A mines)
Section 57.22230	Actions at 0
Section 57.22231	Actions at 0
Section 57.22232	Actions at 0
Section 57.22233	Actions at 1
Section 57.22234	Actions at 1
Section 57.22235	Actions at 1
Section 57.22236	Actions at 2
Section 57.22237	Actions at 2
Section 57.22238	Actions at 2
Section 57.22239	Actions at 2
Section 57.22240	Advance face boreholes (I-C mines)
Section 57.22241	Atmospheric monitoring systems (I-A, II-A, and V-A mines)
Section 57.22301	Approved equipment (I-A and V-A mines)
Section 57.22302	Approved equipment (I-C mines)
Section 57.22303	Approved equipment (II-A mines)
Section 57.22304	Approved equipment (III mines)
Section 57.22305	Methane monitors (I-A mines)
Section 57.22306	Methane monitors (II-A mines)
Section 57.22307	Methane monitors (III mines)
Section 57.22308	Methane monitors (V-A mines)
Section 57.22309	Electrical cables (I-C mines)
Section 57.22310	Electrical cables (II-A mines)
Section 57.22311	Distribution boxes (II-A and V-A mines)
Section 57.22312	Explosion-protection systems (I-C mines)
Section 57.22313	Flow-control devices (V-A and V-B mines)
Section 57.22314	Self-contained breathing apparatus (V-A mines)
Section 57.22315	Underground retorts (I-A and I-B mines)
Section 57.22401	Personal electric lamps (I-A, I-B, I-C, II-A, II-B, III, IV, V-A, and V-B mines)
Section 57.22501	Blasting from the surface (I-A mines)
Section 57.22601	Blasting from the surface (I-C mines)
Section 57.22602	Blasting from the surface (II-A mines)
Section 57.22603	Blasting from the surface (II-B mines)
Section 57.22604	Blasting from the surface (V-A mines)
Section 57.22605	Explosive materials and blasting units (III mines)
Section 57.22606	Blasting on shift (III mines)
Section 57.22607	Secondary blasting (I-A, II-A, and V-A mines)
Section 57.22608	Scope