Module 3. Gas Incident Response
Gas explosions: How gas explosions happen
Natural gas explosions occur when leaking gas accumulates in an enclosed area and ignites. Gas that combines with air above ground, below ground or in any type of conduit can form a highly volatile mixture; when the concentration reaches 5 to 15 percent and an ignition source is present, an explosion can occur.
Take all reports of gas leaks seriously, and take immediate action to identify the source of the leak and eliminate ignition hazards.
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