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and ia not detectable without special equipment. It suffocates a person by displacing oxygen in the air. A person in an oxygen deficient area of a pit or silo may lose consciousness before realizing anything is wrong.
Again, ventilation will clear the air, but a self-contained air supply should be used when the presence of carbon dioxide is suspected.
Methane gas is produced by decomposition of agricultural by-products. But, uncontrolled methane rising from manure pits can be an explosive hazard.
No matches or open flames should be permitted where methane may be present. A miner’s lamp or air test de
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