What are Workplace Exposure Limits (WELs)?
Answer and explanation
Correct answer: B. Legal limits on airborne concentration
- Step 1: WELs are set in the EH40 guidance and are usually an 8-hour time-weighted average, with some 15-minute short-term limits. Step 2. They are used to judge whether exposure is controlled. Answer: Legal limits on airborne concentration. Why not the others: The other options describe unrelated limits.
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