Safety & Emergency Hazardous Materials (HazMat) 2

Question 1

What level of PPE provides the highest degree of skin, eye, and respiratory protection?

Accepted Answer

Level A

Answer

Level A PPE includes a fully encapsulating chemical-resistant suit and SCBA, providing the maximum skin and respiratory protection.

Question 2

What does the GHS signal word 'Danger' indicate compared to 'Warning'?

Accepted Answer

More severe hazard category

Answer

Under GHS, 'Danger' indicates the more severe hazard categories (1–2) while 'Warning' is used for less severe categories (3–5).

Question 3

What is the purpose of a Safety Data Sheet (SDS) Section 4?

Accepted Answer

First aid measures

Answer

Section 4 of the GHS-standardized SDS covers first aid measures, including symptoms and required treatment for exposure routes.

Question 4

What does TLV-TWA stand for in industrial hygiene?

Accepted Answer

Threshold Limit Value – Time-Weighted Average

Answer

TLV-TWA (Threshold Limit Value – Time-Weighted Average) is the ACGIH-recommended average airborne concentration for an 8-hour workday that most workers can be exposed to without adverse effects.

Question 5

Which UN hazard class covers explosive substances?

Accepted Answer

Class 1

Answer

UN Dangerous Goods Class 1 covers explosives, subdivided by type of explosive hazard (mass explosion, projection hazard, etc.).

Safety & Emergency Practice Test

Safety & Emergency Practice Test

Safety & Emergency Hazardous Materials (HazMat) 2