AL Water Projects Practice Questions - Alabama Water Projects Contractor Examination Exam

OSHA treats an atmosphere as oxygen-deficient when the oxygen concentration is below what level?

23.5 percent 21.0 percent 19.5 percent 16.0 percent

Correct Answer:

19.5 percent

Access more questions from this quiz

Continue to AL Water Projects Practice Questions - Alabama Water Projects Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions