Ventilation No. 3
Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition)
Progress Indicator:
 
Question 3 of 20
3. What efficiency must the HEPA filters used for medical emergencies be? p. 388
Choices:
- 99.97 percent
- 95 percent
- 99 percent
- 97.99 percent
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