Mine Gases - Usmra.com

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Toxic gases(con’t)• Sulfur Dioxide– Chemical Formula: SO 2– Specific Gravity: 2.264– Source: Burning of sulfide ores, diesel exhaust,gob fires– TLV: 5 ppm– STEL: 10 PPM– Characteristics: Heavy sulfur odor– Effect on the body: Same as nitrogen dioxide
Smoke• Tiny particles of solid and liquidmatter suspended in air as a result of<strong>com</strong>bustion• Diesel Particulate Matter• By-products of burning belts• Carbon materials• Usually noxious and toxic gases arepresent• Can be carcinogen(cancer causing)
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: Toxic Gases (Non-Explosive)• Nitr
Page 21: Detection Devices• Hand held dete

Mine Gases - Usmra.com

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