CITB HS&E Operatives Practice Test
CITB Hazardous Substances (COSHH) 2
What is the workplace exposure limit (WEL) used for?
Select your answer
A
To determine how many workers can be in a confined space
B
To set the maximum concentration of an airborne substance workers can be exposed to over a defined period
C
To calculate the maximum weight of chemical containers on site
D
To determine the minimum ventilation rate in offices
Hint