Victim Rescue and Recovery Test No. 2
From IFSTA Hazmat for First Responders 4th Edition
Progress Indicator:
 
Question 8 of 15
8. The atmosphere contains less than what oxygen concentration when Level B clothing is recommended? p. 411
Choices:
- 25.5 percent
- 19.5 percent
- 21.5 percent
- 23.5 percent
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