Mine Gases - Usmra.com

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<strong>Mine</strong> damps• The word damp is a derivative of theGerman word “damf” which meansvapor. It was used by the immigrantGerman miners in the anthracite fieldsto describe a certain atmospherecondition.– Black damp: Carbon dioxide, nitrogen, andlow oxygen.– White damp: Carbon monoxide– Fire damp: Methane– Stink damp: Hydrogen Sulfide– After damp: By-products of a fire orexplosion
Detection Devices• Hand held detectors• Air Sample• Gas Monitors• Permanent sensor locations• Flame Safety Lamp
Page 1 and 2: Mine RescueGasDetectionPa. Bureau o
Page 3 and 4: Category of Gases• Noxious - Asph
Page 5 and 6: Exposure Limits• Threshold Limit
Page 7 and 8: Mine Gases & their ComponentsAIR•
Page 9 and 10: Oxygen Present % Effect• 21% Brea
Page 11 and 12: Acetylene- Chemical Formula: C 2 H
Page 13 and 14: Noxious Gases(Non Explosive)• Nit
Page 15 and 16: Toxic Gases(Explosive)• Carbon Mo
Page 17 and 18: Toxic Gases (Non-Explosive)• Nitr
Page 19: Smoke• Tiny particles of solid an

Mine Gases - Usmra.com

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