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Hazards of Excavations Outline - Occupational Safety and ...

3. Natural Gas a. Explosion hazards- high pressures are used to transport natu ral gas through underground lines. 4. Always locate lines before you begin excavations and ensure all lines uncovered are supported properly. v. Equipment 1. Can cause inhalation hazards a. Carbon Monoxide 2. Fall into trench a.

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  Natural, Natural gas, Tuan, Natu ral gas

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