Identify what contaminants may be present.
Consider type of work to be done and the work environment (ie. layout; activities; materials used, etc.)
Identify the physical states of all airborne contaminants (gas, vapour or particulate)
Measure or estimate of the concentration of the contaminants (where possible)
Is a potentially oxygen-deficient or am Immediately Dangerous to Life and Health (IDLH) atmosphere present
Can the contaminant can be absorbed through, or is irritating to, the skin or eyes.
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