17.
The toxicity of a chemical may be affected by all of the following except:
a. Volatility.
b. Particle size.
c.
Color.
d. Density.
18.
The physical condition of a worker has no effect on the toxicity of a chemical agent
to which he might be exposed.
a. True.
b. False.
19.
List two environmental factors that can affect the toxicity of a chemical agent.
a. ___________________.
b. ___________________.
20.
What gas damages the lungs but only slightly irritates the upper respiratory tract?
_____________________________________-
21.
What is the best prevention and control of irritant gases?
a. Aerate the area.
b. Good engineering design and strong willed employees.
c.
Protective equipment and better rooms.
d. Protective equipment and good engineering design and maintenance of the
equipment on the job.
MD0165
2-50