
Diesel fuel is classified as a hazardous material by the US Department of Transportation (DOT) and the Pipeline and Hazardous Materials Safety Administration (PHMSA). This classification is based on the definition of hazardous material in § 171.8, which includes substances that pose a risk to health, safety, and property during transportation. Diesel fuel is specifically considered a flammable or combustible liquid, and its regulation depends on the type of packaging and quantity being transported. Proper classification, packaging, labelling, handling, and stowage are required for the transportation of diesel fuel to ensure the safety of workers, emergency responders, and the general public.
| Characteristics | Values |
|---|---|
| Hazardous material | Yes |
| Hazardous material type | Flammable or combustible liquid |
| Hazardous material regulations | HMR (49 CFR Parts 171-180) |
| Hazardous waste | Yes |
| Hazardous safety permit | Required for bulk packaging |
| Placarding | Required for bulk packaging |
| Shipping papers | Required |
| Hazard communication | Required for bulk packaging |
| Commercial Driver's License | Required for placarded hazardous materials transportation |
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What You'll Learn

Diesel fuel is a hazardous material
The Hazardous Materials Regulations (HMR) apply to the transportation of hazardous materials, including diesel fuel. The HMR set out requirements for the safe transportation of hazardous materials, including packaging, labelling, and handling. The HMR also define a "hazardous material" as a substance or material that poses an unreasonable risk to health, safety, and property when transported in commerce. This definition includes hazardous substances, hazardous wastes, marine pollutants, and materials with elevated temperatures.
When transporting diesel fuel, the placarding requirement will depend on the hazard of the material, the quantity being transported, and the type of packaging used. Bulk packaging has a maximum capacity of over 119 gallons for liquid hazardous materials, while non-bulk packaging has a maximum capacity of 119 gallons or less. In most cases, a placard is not required when transporting diesel in non-bulk packaging. However, when transported in bulk packaging, diesel fuel is regulated and placarding is required.
Drivers transporting hazardous materials that require placarding must have a Commercial Driver's License (CDL) with a hazardous materials endorsement. Additionally, shipping papers are required for each shipment of hazardous materials, and any additional quantities of hazardous materials picked up en route must be added to the shipping papers.
To determine if a product is a hazardous material, the Safety Data Sheet (SDS) prepared by the manufacturer should be located. This document provides the product's hazard classification and transportation information.
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Transporting diesel fuel in bulk
Diesel fuel is a hazardous material and is subject to the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). If you are transporting diesel fuel in bulk, there are several things you need to keep in mind and adhere to.
Firstly, the flash point of the diesel fuel is important. Diesel fuel with a flash point at or above 38°C (100°F) is eligible for the combustible liquid exception. This means that if the diesel fuel is in a non-bulk packaging (capacity of no more than 119 gallons), it is not subject to USDOT regulations and does not require rinsing or placards.
However, if you are transporting diesel fuel in bulk quantities, it is considered a Class 3 Flammable or Combustible Liquid and is fully subject to the requirements of the HMR. This includes regulations such as the need for shipping papers, waybills, switching orders, hazardous waste manifests, marking of packages, display of identification numbers on bulk packages, placarding requirements, and more.
Additionally, the driver of the truck transporting bulk diesel fuel is considered a carrier of hazardous materials in commerce and must possess a Commercial Driver's License (CDL) with a hazardous materials endorsement.
To ensure compliance, it is important to contact the Hazardous Materials Information Center or refer to the Safety Data Sheet (SDS) prepared by the manufacturer to understand the specific requirements and regulations for transporting diesel fuel in bulk.
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Regulations for diesel fuel transportation
Diesel fuel is classified as a hazardous material and is subject to regulations during transportation. Here are the key regulations for diesel fuel transportation:
Packaging and Labelling
The US Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) outlines specific requirements for the packaging and labelling of diesel fuel. Diesel fuel falls under the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). When transported in bulk packaging, the packaging must be marked with the identification number "1993" or "UN1202", as specified in the Hazardous Materials Table (HMT). This number should also be displayed on the outside of the cargo tank motor vehicle.
Quantity Limitations
There are restrictions on the quantity of diesel fuel that can be transported at one time. According to 30 CFR § 75.1906, diesel fuel transportation units must not carry more than 500 gallons of diesel fuel. Additionally, only one safety can of diesel fuel is permitted per vehicle, and it must be protected from damage during transport.
Storage and Handling
Diesel fuel transportation units must be parked in permanent or temporary underground diesel fuel storage facilities when not in use. The fuel should be stored and handled in accordance with specific regulations, including 30 CFR §§ 75.1902-75.1906.
Fire Safety
To ensure fire safety, diesel fuel transportation units and vehicles carrying safety cans of diesel fuel must be equipped with at least two multipurpose dry chemical type (ABC) fire extinguishers. These fire extinguishers must be approved by a nationally recognized independent testing laboratory and have a 10A:60B:C or higher rating, with one extinguisher on each side of the vehicle.
Sulfur Content
The US Environmental Protection Agency (EPA) has implemented regulations to reduce the sulfur content of diesel fuel. These regulations aim to minimize harmful emissions and have resulted in significant health and environmental benefits.
These regulations outline the key considerations for the safe and compliant transportation of diesel fuel. Adherence to these regulations is crucial to ensure the security of the fuel transportation process and protect the environment and public health.
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Diesel fuel packaging requirements
The packaging requirements for diesel fuel depend on whether the diesel fuel is classified as a hazardous material. Diesel fuel in non-bulk packaging is not subject to USDOT regulations, and therefore tanks do not need to be rinsed or placarded. However, if diesel fuel is classified as a hazardous material and is packaged in bulk, then it must comply with the USDOT regulations for the transportation of hazardous materials.
The USDOT defines bulk packaging as having no intermediate form of containment and a maximum capacity greater than 119 gallons for a liquid hazmat. Non-bulk packaging has a maximum capacity of 119 gallons or less as a receptacle for a liquid hazmat.
If diesel fuel is classified as a hazardous material and is packaged in bulk, it must be packaged in approved containers that are specifically designed for the transportation of hazardous materials. These containers must be securely sealed and labelled with the appropriate markings to indicate the presence of diesel fuel and any associated hazards. The packaging must also be able to withstand the conditions of transportation, including potential leaks or spills. It should be made of materials that are resistant to corrosion and degradation caused by the fuel.
In terms of labelling, the containers used for transporting diesel fuel must have clear and visible markings that indicate the presence of diesel fuel and any associated hazards. These markings should include the proper identification numbers and symbols as required by the USDOT. By ensuring proper packaging and labelling, the risk of accidents or mishandling during transportation can be significantly reduced.
Additionally, vehicles used for transporting diesel fuel must be equipped with safety features such as fire extinguishers, spill containment kits, and emergency response equipment. Drivers must also undergo proper training and possess the necessary documentation, including training in handling hazardous materials, understanding the properties of diesel fuel, proper handling procedures, and emergency response protocols.
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Diesel fuel health and safety risks
Diesel fuel is classified as a hazardous material by the US Department of Transportation (DOT). It is considered a flammable liquid in the hazardous materials table (§172.101) and is subject to the Hazardous Materials Regulations (HMR). When being transported, diesel fuel poses a significant safety risk to workers, emergency responders, and the general public.
The health and safety risks associated with diesel fuel are primarily due to its flammability and combustibility. Diesel fuel has a low flash point, which means it can easily ignite and cause fires or explosions. This poses a risk during transportation, storage, and handling of the fuel. Inhalation of diesel fumes can also pose a health risk, as they contain harmful substances such as nitrogen oxides, particulate matter, and toxic air contaminants. Prolonged exposure to diesel fumes can lead to respiratory problems, cardiovascular issues, and other adverse health effects.
To mitigate these risks, it is essential to follow proper safety protocols when handling diesel fuel. This includes ensuring adequate ventilation to minimize fume exposure, avoiding open flames or other ignition sources, and storing diesel fuel in approved containers that are clearly labelled and placarded during transportation.
The transportation of diesel fuel is strictly regulated by the DOT's HMR. These regulations cover the packaging, labelling, handling, and stowing of hazardous materials to ensure safe transportation. For example, the HMR requires that shipments of diesel fuel be accompanied by shipping papers, waybills, and hazardous waste manifests. The drivers of vehicles transporting diesel fuel are also required to have a Commercial Driver's License (CDL) with a hazardous materials endorsement.
In addition to the health and safety risks associated with diesel fuel, there are also environmental concerns. Spills and leaks of diesel fuel can contaminate soil, water bodies, and groundwater, leading to ecological damage and posing risks to human health. It is crucial for those handling diesel fuel to be aware of these environmental risks and to follow procedures to prevent and properly manage spills or leaks.
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Frequently asked questions
Yes, diesel fuel is classified as a hazardous material.
The requirements for transporting diesel fuel depend on the type of packaging and the quantity being transported. If diesel fuel is transported in bulk packaging (over 119 gallons), it is regulated and requires placarding. If transported in non-bulk packaging (119 gallons or less), it is generally not subject to the Hazardous Materials Regulations (HMR) and does not require placarding. However, each shipment requires shipping papers.
Yes, in accordance with Federal Motor Carrier Safety Administration (FMCSA) regulations, drivers transporting hazardous materials that require placarding must have a Commercial Driver's License (CDL) with a hazardous materials endorsement.






































