4- Unit review exercises

Question 1

A solvent is a
a. liquid that a solute can be dissolved in.
b. vapor that enters the body by inhalation.
c. solid that can cause “rapid” toxic action.
d. particulate that a solute can be suspended in.

Answer 1

a. liquid that a solute can be dissolved in.

Question 2

What document would specifically address actions that must be taken for regulated
chemicals considered very hazardous?
a. Substance specific standard.
b. Hazard communication standard.
c. Workplace hazardous chemical inventory.
d. Hazardous material (HAZMAT) vulnerability assessment.

Answer 2

a. Substance specific standard.

Question 3

How do solvent vapors mainly enter the body?
a. Ingestion.
b. Injection.
c. Inhalation.
d. Skin contact.

Answer 3

c. Inhalation.

Question 4

If a safety data sheet (SDS) is not provided with the initial shipment of a hazardous material
(HAZMAT), who must request it?
a. Public health (PH).
b. Ground safety.
c. Workplace supervisor.
d. Bioenvironmental engineering (BE).

Answer 4

c. Workplace supervisor.

Question 5

When identifying inhalation hazards of chlorine, you would infer from its vapor density of
2.47 that high concentrations of chlorine would
a. rise into the air.
b. evaporate slowly.
c. sink to the ground.
d. evaporate quickly.

Answer 5

c. sink to the ground.

Question 6

Which type of control is air sampling?
a. Personal protective equipment (PPE).
b. Administrative.
c. Engineering.
d. Ventilation.

Answer 6

b. Administrative.

Question 7

Which control removes the hazard from the work area?
a. Personal protective equipment (PPE).
b. Worker rotation.
c. Administrative.
d. Elimination.

Answer 7

d. Elimination.

Question 8

Your sampling determines workers are exposed to hazardous chemicals that exceed
allowable exposure limits; therefore, if stated in the relevant standard, what should be
established?
a. Regulated area.
b. Restricted area.
c. Remediation area.
d. Requirements area.

Answer 8

a. Regulated area.

Question 9

Who is responsible for providing guidance so the work place will be in compliance with the
substance specific standard?
a. Occupational Safety and Health Administration (OSHA).
b. Bioenvironmental engineering (BE).
c. Workplace supervisor.
d. Commander (CC).

Answer 9

b. Bioenvironmental engineering (BE).