Class I, Class II, Class III Liquids

A national fire coding classification of liquids, such as gasoline, heating oil, and diesel fuel, as being either flammable liquids or combustible liquids.

National Fire Coding Classification For Liquids…

  • Typical Class I liquids include butyl alcohol, diethyl glycol, styrene, and turpentine. Class II liquids are combustible liquids that have a temperature flash point at or above 100 °F (37.8 °C) and below 140 °F (60 °C). Typical Class II liquids include liquids such as camphor oil, diesel fuel, pine tar, and other solvents.
  • Class II liquids are combustible liquids that have a flash temperature point at or above 100 °F (37.8 °C) and below 140 °F (60 °C).
  • Class IIIB liquids are combustible liquids that have a flash point at or above 200 °F (93 °C). Typical Class IIIB liquids include liquids such as castor oil, coconut oil, fish oil, and olive oil.

Flammable Liquids are classified by their flashpoint or combustibility

The transportation of flammable liquids in the United States is governed by the Department Of Transportation and the Federal Motor Carrier Safety Administration  There are numerous federal and state regulations regarding the transportation of flammable or hazardous liquids. It is important to note that the regulations for each defined class of liquid may be different.  The Department of Transportation or DOT issues guidelines and updates to existing guidelines.  It is important that companies who transport any hazardous materials, or flammable liquids stay current and compliant to keep their fleets rolling.

There are also numerous regulations and guidelines regarding the drivers of vehicles that transport hazardous materials.Title 49 → Subtitle B → Chapter III → Subchapter B → Part 385 is just the start of the guidance that the government offers regarding the transportation of hazardous materials for drivers.  It is also very important that the guidelines for drivers and their responsibilities on the road be thoroughly understood.  There are numerous training videos and certification specialty levels for Hazardous Materials Drivers.

Flammable Liquids
Flammable Liquids