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- Q653 - Engineering Safety & Environmental Protection
132. Which type of respiratory protection is preferable for repair/investigation personnel on a MODU in a hydrogen sulfide (H2S) environment?
Pressure-demand self-contained breathing apparatus (SCBA) is the preferred respiratory protection in a hydrogen sulfide (H2S) environment due to its positive-pressure, self-contained air supply, which minimizes the risk of contaminant leakage during repair or investigation work.
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