SAFETY

Question 1

Class A refers to?

Answer 1

Compressed gas

• dissolved gases, gases liquefied by compression or refrigeration.
  ex. gas cylinders

Question 2

Class B refers to?

Answer 2

Flammable & combustible material

Solid, liquids and gases capable of catching on fire or exploding in the presence of a source of ignition.
ex. White phosphorous.

Question 3

Class C refers to?

Answer 3

Oxidizing material

Materials which cause or contribute to the burning of another material by yielding O2.

Question 4

Class D (1) refers to?

Answer 4

Poisonous and infectious materials

Materials causing immediate and serious toxic effects. Materials which can cause the death of a person exposed to small amounts.

Ex. NaCN

Question 5

Class D (2) refers to?

Answer 5

Materials causing other toxic effects

Materials which cause immediate eye or skin irritation as well as those which can cause long-term effects in a person repeatedly exposed to small amounts

Question 6

Class D (3) refers to?

Answer 6

Biohazardous

infectious material.

Materials which contain harmful microorganisms.

Question 7

Class E refers to?

Answer 7

Corrosive material

Acid or caustic materials which can destory the skin or eat through metals

ex. muriatic acid, lye

Question 8

Class F refers to?

Answer 8

Dangerously reactive material

Products which can undergo dangerous reaction if subjected to heat, pressure, shock or allowed to contact water

Question 9

What purpose does the MSDS serve?

Answer 9

The material safety data sheet gives detailed info on a WHMIS product that complements the information provided on the label.