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PAE: Classifying Hazardous Substances

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

According to the Occupational Safety and Health Administration (OSHA), health hazards fall into four categories. Match each category with the correct examples.

a)

solvents, adhesives, paints, toxic dusts

1.

Chemical hazards

b)

noise, radiation, heat

2.

Physical hazards

c)

infectious diseases

3.

Biological hazards

d)

heavy lifting, repetitive motions and vibration

4.

Ergonomic risk factors

2.

What does the classification diamond include?

a)

Health Hazards, Fire Hazards, Instability/Reactivity Hazards, Specific Hazards

b)

Chemical Hazards, Physical Hazards, Biological Hazards, Ergonomic Hazards

c)

Health Hazards, Environmental Hazards, Fire Hazards, Specific Hazards

d)

Chemical Hazards, Fire Hazards, Instability/Reactivity Hazards, Specific Hazards.

3.

Fill in the blank: Hazardous materials and hazardous wastes can be harmful, however, hazardous wastes specifically refer to ________ which are often byproducts of another process.

a)

Liquid waste

b)

Solid waste

c)

Gaseous waste

d)

Chemical waste

4.

Fill in the blank: The classification sign helps identify the specific risks from any substance. The top three quadrants contain a number describing the severity of the hazard; the higher the number, the more ________.

a)

Safe

b)

Dangerous

c)

Stable

d)

Common

5.

What does the number '3' in the blue section of the hazard diamond indicate?

a)

Normal Material

b)

Slightly Hazardous

c)

Extreme Danger

d)

Deadly

6.

Which color in the hazard diamond represents fire hazard?

a)

Blue

b)

Red

c)

Yellow

d)

White

7.

Which number in the blue section of the hazard diamond indicates a normal material?

a)

0

b)

1

c)

2

d)

3

8.

What does the symbol of a W with a line through it in the white section of the hazard diamond mean?

a)

Acid

b)

Use no water

c)

Corrosive

d)

Radiation Hazard

9.

Which symbol represents a corrosive substance?

a)

Explosives

b)

Corrosive substance

c)

Flammable

d)

Toxic

10.

Fill in the blank: The symbol with a flame over a circle represents an _______ substance.

a)

Explosive

b)

Oxidizing

c)

Toxic

d)

Harmful

11.

Fill in the blank: The exclamation mark symbol indicates a _______ substance.

a)

Harmful

b)

Explosive

c)

Corrosive

d)

Toxic

12.

Fill in the blank: The symbol with a flame represents a _______ substance.

a)

Flammable

b)

Corrosive

c)

Toxic

d)

Health hazard

13.

What does the symbol with a person and a star-like shape on the chest indicate?

a)

Health hazard

b)

Toxic

c)

Flammable

d)

Corrosive

14.

Which symbol is used for substances that are harmful to the environment?

a)

Health hazard

b)

Environmental hazard

c)

Toxic

d)

Flammable

15.

Fill in the blank: The symbol with a flame over a circle is used for _______ substances.

a)

Oxidizing

b)

Explosive

c)

Harmful

d)

Toxic