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5 votes
What is the action level for exposure to respirable crystalline silica

2 Answers

0 votes

Answer:

25 micrograms per cubic meter

Step-by-step explanation:

User Tomysshadow
by
7.3k points
3 votes

Answer:

25 micrograms per cubic meter

Step-by-step explanation:

User Puteri
by
7.7k points
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