What is the Cal/OSHA action level for lead exposure in construction that triggers medical surveillance?
Correct Answer
A) 30 μg/m³ over an 8-hour TWA
Cal/OSHA sets the action level for lead at 30 μg/m³ as an 8-hour time-weighted average, which triggers medical surveillance requirements.
Why This Is the Correct Answer
Cal/OSHA sets the action level for lead at 30 μg/m³ as an 8-hour time-weighted average, which triggers medical surveillance requirements.
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Previous Question
A construction project involves installing new roofing on a commercial building. The work area is 25 feet above ground level on a flat roof. What is the minimum distance a warning line system must be placed from the roof edge under Cal/OSHA?
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Calculate the maximum allowable concentration of respirable crystalline silica for an 8-hour time-weighted average under Cal/OSHA construction standards: