CWLP Warehouse Safety & Hazardous Materials Handling 3

Question 1

Under DOT hazmat regulations, which shipping paper must accompany a highway shipment of hazardous materials?

Accepted Answer

Bill of lading with hazardous materials description

Answer

DOT requires a shipping paper (typically a bill of lading) that includes the proper shipping name, hazard class, ID number, and packing group.

Question 2

What is the primary purpose of a 'lockout/tagout' (LOTO) procedure in a warehouse environment?

Accepted Answer

To prevent accidental equipment energization during maintenance

Answer

LOTO procedures (29 CFR 1910.147) prevent equipment from being accidentally energized while workers perform maintenance or repairs.

Question 3

A warehouse stores both corrosives and flammables. According to compatibility guidelines, these two classes should be:

Accepted Answer

Segregated and stored in separate areas

Answer

Corrosives and flammables are incompatible and must be segregated in separate storage areas to prevent dangerous reactions.

Question 4

Which DOT hazard class label is REQUIRED on a package containing a substance with a flash point below 60°C (140°F)?

Accepted Answer

Class 3 – Flammable Liquid

Answer

Liquids with a flash point below 60°C are classified as Class 3 Flammable Liquids under DOT hazmat regulations.

Question 5

In a warehouse using propane-powered forklifts, what ventilation requirement applies to the storage area for propane cylinders?

Accepted Answer

Natural or mechanical ventilation preventing accumulation above 25% LEL

Answer

Propane storage areas must be ventilated to prevent gas accumulation above 25% of the lower explosive limit (LEL).

(CWLP) Certified Warehouse and Logistics Professional Practice Test