Arizona ROC CR-8 Floor Covering Practice Questions - Arizona ROC CR-8 Floor Covering Examination Exam

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After drilling test holes and inserting plastic sleeves into a concrete slab per ASTM F2170, what is the minimum required equilibration period before inserting probes and taking official relative humidity readings?

4 hours 12 hours 24 hours 72 hours

Correct Answer:

24 hours

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