NSC Chemical Safety 3

Question 1

Which section of a Safety Data Sheet (SDS) contains first-aid measures?

Accepted Answer

Section 4

Answer

Section 4 of the GHS-aligned SDS provides first-aid measures for inhalation, skin contact, eye contact, and ingestion.

Question 2

What does the term 'permissible exposure limit' (PEL) refer to?

Accepted Answer

Maximum airborne concentration of a substance a worker can be exposed to over a work shift

Answer

OSHA's PEL is the maximum concentration of an airborne chemical to which most workers can be exposed over an 8-hour workday without adverse health effects.

Question 3

Which PPE is required when handling chemicals that can cause severe skin burns?

Accepted Answer

Chemical-resistant gloves and protective apron

Answer

Chemicals that cause burns require chemical-resistant gloves and a protective apron to prevent skin contact and serious injury.

Question 4

An 'incompatible chemicals' scenario occurs when:

Accepted Answer

Two chemicals react dangerously when combined

Answer

Incompatible chemicals are substances that, when mixed or stored together, can cause dangerous reactions such as fire, explosion, or toxic gas release.

Question 5

What is the purpose of an eyewash station in a chemical work area?

Accepted Answer

To flush chemical splashes from the eyes with water for at least 15 minutes

Answer

ANSI standards require eyewash stations that deliver a continuous flow of water to flush chemical splashes from the eyes for a minimum of 15 minutes.

NSC Practice Test

NSC Practice Test

NSC Chemical Safety 3