Mine Gasses.

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Presentation transcript:

Mine Gasses

Carbon Monoxide

Physical State Colorless Odorless Tasteless

Carbon Monoxide is explosive Flammability Carbon Monoxide is explosive

incomplete combustion Sources Produced by incomplete combustion

Route of Exposure Absorbed in body through inhalation

Health Hazards Hemeglobin has an affinity to carbon monoxide 200 - 300 times that of oxygen

Exposure Levels Current MSHA allowable exposure level for an 8 hour shift is 50 ppm or, 0.005%

Possible mild frontal headache in 2 - 3 hours Effects Concentration 200 PPM (0.02%) Effect Possible mild frontal headache in 2 - 3 hours

Frontal headache & nausea in 1 - 2 hours Effects Concentration 400 PPM (0.04%) Effect Frontal headache & nausea in 1 - 2 hours

Effects Concentration 800 PPM (0.08%) Effect Headache, dizziness, & nausea in 45 minutes Collapse, unconsciousness & death in 2 hours

Effects Concentration 1600 PPM (0.16%) Effect Headache, dizziness, & nausea in 20 minutes Collapse, unconsciousness & death in 2 hours

Effects Concentration 3200 PPM (0.32%) Effect Headache, dizziness, & nausea in 5 to 10 minutes Collapse, unconsciousness & death in 30 minutes

Unconscious & death in 1 - 3 minutes Effects Concentration 12,800 PPM (1.28%) Effect Unconscious & death in 1 - 3 minutes

Carbon Dioxide

Physical State Colorless Odorless

Flammability Not flammable

Produced by complete combustion of carbon material Sources Produced by complete combustion of carbon material

Absorbed in body through inhalation Route of Exposure Absorbed in body through inhalation

Inhalation may cause hyperventilation & unconsciousness Health Hazards Inhalation may cause hyperventilation & unconsciousness

Exposure Levels Current MSHA allowable exposure level for 8 hour shift is 5000 ppm or, 0.5%.

NITROGEN DIOXIDE

Physical State Reddish brown and / or yellow liquid with pungent odor

Flammability Not flammable

Sources Produced by diesel exhaust, explosives detonation, & decay of plant material

through inhalation or ingestion Route of Exposure Absorbed in body through inhalation or ingestion

Reacts with water to form nitrous acid Health Hazards Reacts with water to form nitrous acid

Exposure Levels Current MSHA allowable exposure level for 8 hour shift is 3 ppm Short term exposure limit is 5 ppm