Occupational Hazard & Safety

Question 1

When would a worker use an air purifying respirator?

Answer 1

1) There is still adequate Oxygen in the air
2) Contaminant levels are below set standards (OEL)

Question 2

When would a worker use SCBA or SABA?

Answer 2

1) When Oxygen is too low to support life (Below 19.5% volume)
2) When contaminant levels are above standard levels (OELs)