Which is the correct reference for the class 3 flammable liquids information?

The correct reference for class 3 flammable liquids is indeed found in 49 CFR 173.120. This section specifically outlines the definitions, criteria, and labeling requirements for flammable liquids, categorizing them based on their flash points. It’s crucial for individuals handling hazardous materials to familiarize themselves with this regulation, as it provides essential guidance for safe transportation, storage, and handling practices related to class 3 liquids.

The other references, while they pertain to hazardous materials regulations, address different classes or types of materials. Understanding the specific context of each regulation helps ensure compliance and enhances safety when dealing with hazardous materials.