Brace containers so they will not fall, slide, or bounce around during transportation. All hazardous materials packages must be secured.

A driver transporting chlorine in cargo tanks must have an approved gas mask in the vehicle, as well as an emergency kit for controlling leaks in dome cover plate fittings on the cargo tank.

A person attending a parked placarded vehicle must be either awake inside the vehicle or they must be within 100 feet of it. If not inside the vehicle itself, the person must have a clear view of the vehicle. The person attending may not be inside the sleeper berth.

If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. Leave the doors closed if there is a cargo fire.

Class 1 hazardous materials are typically items that present certain explosion or fire hazards.

The shipper of hazardous materials is responsible for identifying the product's identification number; proper shipping name; hazard class; packing group; and correct packaging, labels, marking, and placards.

To obtain a hazardous materials endorsement, you must pass a background check conducted by the Transportation Security Administration (TSA).

Shippers must place diamond-shaped hazard warning labels on most packages of hazardous materials. If the label won't fit on the package, it can be placed on a tag that is securely attached to the package.

Identification numbers, shipping names, and hazard classes must never be abbreviated when listed on a shipping paper. The only exception to this is if the abbreviation is specifically authorized in the hazardous materials regulations.

A vehicle carrying hazardous materials must be appropriately placarded to be driven. An improperly placarded vehicle may only be driven if necessary to protect life or property in an emergency.

Shippers should place applicable diamond-shaped hazard warning labels on hazardous materials packages. If a label will not fit entirely onto a package, shippers may instead place the label on a tag that is securely attached to the package.

You must have a CDL with a hazardous materials endorsement to drive a vehicle of any size that is used for transporting hazardous materials.

On hazardous materials shipping papers, the identification number, shipping name, and hazard class must not be abbreviated, unless specifically authorized in the hazardous materials regulations.

The power unit of a placarded vehicle must be equipped with a fire extinguisher with an Underwriters Laboratories (UL) rating of 10 B:C or more.

Before loading or unloading a tank with flammable liquids, you should turn off the engine, unless running the engine is necessary to operate a pump. Ground the tank before opening the filling hole and maintain the ground until after closing the filling hole.

If you are involved in an accident while carrying hazardous materials, it is your responsibility as the driver to keep people away from the scene; limit the spread of material if you can safely do so; inform emergency response personnel of the dangers posed by the materials; and provide emergency personnel with the shipping papers and emergency response information. Unless you have protective equipment and the necessary training, do not try to fight hazardous materials fires yourself.

You must have a CDL with a hazardous materials endorsement to operate a vehicle of any size that is used to transport hazardous materials.

Containers of hazardous materials must be braced so that they will not fall, slide, or bounce around during transportation.

In general, vehicles carrying hazardous materials are required to display diamond-shaped warning signs on all four sides. These warning signs are called "placards."

You should not smoke within 25 feet of a placarded cargo tank used to transport materials that are categorized as Class 3 (flammable liquids) or Division 2.1 (gases). Do not smoke or carry a lit cigar, pipe, or cigarette near a vehicle containing flammable or explosive materials.

The shipper of hazardous materials is responsible for packaging, marking, and labeling the materials. They must supply the warning placards.

Unless your engine runs a pump for product transfer, turn it off when loading or unloading a compressed gas tank. If you do use your engine to run a pump, you should turn the engine off after the product transfer but before unhooking the hoses.

Information about hazardous chemicals is found in the Emergency Response Guide (ERG) provided by U.S. Department of Transportation (DOT). The ERG is indexed by the proper shipping names and identification numbers of substances.

If you are transporting hazardous waste, you must carry with you a Uniform Hazardous Waste Manifest. The manifest must be signed by hand.

Parts of a vehicle that have been exposed to corrosive liquids must be thoroughly washed with water.

You should examine your tires at the beginning of every trip and after every stop to ensure that they are properly inflated. The only acceptable way to check tire pressure is to use a tire pressure gauge.

Shippers of hazardous materials are required to provide proper shipping papers to communicate the risks of the materials.

When hazardous materials placards are required, a vehicle must display four identical placards. A placard should be placed on the front, on the rear, and on both sides of the vehicle.

If transporting chlorine in cargo tanks, a driver must have an approved gas mask in their vehicle.

The shipper of hazardous materials is responsible for packaging, marking, and labeling the materials. They must supply any necessary placards.