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Hazard Assessments need to be revised:
5 ppm of Sulphur Dioxide is considered safe.
4000 ppm of Carbon Dioxide is considered safe.
20% oxygen in air is considered safe.
The leading cause of confined space worker death is due to:
A hazardous atmosphere is one where vapours exceed:
An atmosphere that may impair a worker’s ability to escape best describes a:
An atmosphere that is not clean best describes a:
A gas with a vapour density of 1 is expected:
Air is considered oxygen enriched at:
Safety hazards are related to:
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