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MINE GASES

Normal Air is made up of:. Nitrogen 78%Oxygen 21%Trace Gases 1%. Specific Gravity:. The weight of a gas compared to an equal volume of normal air at the same temperature and pressure.Normal air has a specific gravity of 1This determines where in mine atmos

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MINE GASES

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    1. MINE GASES

    3. Specific Gravity: The weight of a gas compared to an equal volume of normal air at the same temperature and pressure. Normal air has a specific gravity of 1 This determines where in mine atmospheres, or within a confined space, we will find concentrations of particular gases

    4. Examples:

    6. Ventilation:

    8. THE EXPOLSIVES!

    10. THE LAW!

    12. THE QUIZ!

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