Maine CDL DMV Endorsement Hazmat 1
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Radiation will surround each package of radioactive materials and pass through to all nearby packages. The number of packages that can be loaded together is controlled.
When experiencing a cargo fire, it may be a bad idea to open the doors to the trailer. Doing so allows oxygen to enter the area, potentially causing the fire to flare up and expand.
When a shipper packages hazardous materials, they certify that the package has been prepared according to Hazardous Materials Regulations (HMR). Unless a package is clearly unsafe or noncomplying with HMR, you may accept the shipper’s certification concerning the proper packaging of a material.
If transporting Division 1.1, 1.2, or 1.3 explosives, you must follow a written route plan. Whenever placarded, avoid heavily populated areas, crowds, tunnels, narrow streets, and alleys. Be sure to research any restrictions that may apply to the routes you plan to take.
If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.
When applying for an original or renewed HazMat endorsement, you must undergo a federal security threat assessment done by the Transportation Security Administration (TSA).
Shippers of hazardous materials are required to warn drivers and others about the risks of the materials by putting hazard warning labels on packages, putting placards on the transporting vehicles, and providing proper shipping papers and emergency response information.
Packaging can be an indicator of whether or not materials are hazardous. Cylinders and drums are often used to hold and transport hazardous materials.
If the words "Inhalation Hazard" appear on the shipping paper or package, you must display the "Poison Inhalation Hazard" or "Poison Gas" placards, as appropriate.
If transporting chlorine in cargo tanks, a driver must have an approved gas mask in their vehicle.
Shippers of hazardous materials are required to include an emergency response telephone number on shipping papers.
Fighting a hazardous materials fire requires special training and protective gear. Unless you have the proper equipment and training, do not try to fight a hazardous materials fire yourself.
The shipper of hazardous materials is responsible for packaging, marking, and labeling the materials. They must supply the warning placards.
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.
Containers of hazardous materials should be braced so they will not fall, slide, or bounce around during transportation.
A placarded vehicle must have at least four identical placards: one on the front, one on the rear, and one on each side of the vehicle.
A hazardous material will be placed into one of nine classes to explain the type of risks associated with the material.
Parts of a vehicle that have been exposed to corrosive liquids must be thoroughly washed with water.
On a compressed gas tank, liquid discharge valves must always be kept closed, except during loading and unloading.
It is always a good idea to compare package markings and labels to accompanying shipping papers. Always make sure the shipper has displayed the correct basic description on the shipping paper and has provided the proper labels on the packages.
Some radioactive materials are required to be accompanied by a transport index. A transport index is a number that indicates how much control the material will require during transport. The total transport index of all cargo in a single vehicle may not exceed 50.
Hazardous materials warning placards are diamond-shaped.
Fighting a hazardous materials fire requires specialized training and equipment. Unless you possess these yourself, it is best to let emergency personnel deal with the fire.
Many hazardous materials classified as poisonous are also flammable.
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.
A placard must be placed at least three inches away from any other markings. The placard should be kept clear of attachments or devices, such as doors and ladders. Placards should always be placed against a background of a contrasting color.
Diamond-shaped signs called placards are placed on bulk packages and on the outside of vehicles to warn drivers and others of the presence of hazardous materials. It is the responsibility of the shipper to place the placards, and it is the responsibility of the driver to verify that the correct placards have been placed.
Always protect containers of hazardous materials. When loading hazardous materials, never use equipment that could damage containers or packaging, such as hooks.
Shipping papers must be quickly accessible in the event of an emergency. While driving, operators must keep the papers in a pouch on the driver’s door or in clear view and within immediate reach while their seat belt is fastened. Shipping papers may be kept on the driver’s seat when the driver is out of the vehicle.
When carrying Division 1.1, 1.2, or 1.3 explosives, do not park within 300 feet of a bridge, tunnel, or building; a place where people gather; or an open fire.
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