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DANGEROUS GOODS ON ROADS AND RAILS
If you’ve traveled this nation’s highways, you’ve seen trucks, tankers, and rail cars with the distinctive square-on-point placards
that indicate the presence of Dangerous Goods (DG) on board.
These placards are designed to let first responders
know what type of DG is contained in the shipment. If
an incident occurs, this knowledge can help first responders determine:
Placards must be displayed on the front, back, and both sides of a vehicle, and the shipper is required to provide the appropriate placard for any Dangerous
Goods offered for transportation. While it’s not uncommon for carriers to have the placards available, if you’re shipping Dangerous Goods, you need to know
what’s required and ensure the right placards are available when they’re needed.
DISPLAYING PLACARDS
There are nine categories (hazard classes) of placards with 24 divisions among them:
ALWAYS PLACARD THE FOLLOWING
As a general rule, placards are required on loads of 1,001 lbs. (454 kg) or more of any Dangerous Good. Some materials must be placarded for any amount.
The “Dangerous” placard is used for loads with two or more hazard classes of Dangerous Goods (less than 2,205 lbs. each loaded at any one loading facility) in non-bulk packaging.
CLASSIFIC
ATION
IDENTIF
ICATIO
N
NUMBERS
FIRST
RESPONDERS FIREFIGHTING TECHNIQUES
SPECIALEQUIPMENTREQUIRED
EVACUATIONDISTANCES
BACK FRONTSIDES
HAZARDCLASS
SPONTANEOUSLY COMBUSTIBLE,AND DANGEROUS WHEN WET
AND COMBUSTIBLE LIQUID
AND POISON INHALATION HAZARD
6 POISON (TOXIC)
8 CORROSIVE
AND ORGANICPEROXIDE
>1001lbs.
EXPLOSIVES(Divisions 1.1, 1.2, or 1.3)
DISPLAYING PLACARDS
(Division 6.1)
(Type B temperature control)
(Division 4.3)(Division 2.3)
POISONGAS
DANGEROUS WHEN WET
(Division 5.2)
ORGANICPEROXIDE
POISONINHALATION
HAZARD RADIOACTIVE
1
Have a question about placarding? Labelmaster is ready to help with dedicated regulatory experts on staff to help make sense of the current regulations and to help ensure your DG shipments are compliant, mile after mile.
labelmaster.com 800.621.5808
Placards
1 EXPLOSIVES
2 GASSES
3 FLAMMABLE LIQUID
4 FLAMMABLE SOLID,
5 OXIDIZER
7 RADIOACTIVE
HAZARDCLASS
HAZARDCLASS
HAZARDCLASS
HAZARDCLASS
HAZARDCLASS
HAZARDCLASS
HAZARDCLASS
9 MISCELLANEOUSHAZARDCLASS
SPACEMASTER
UN identification numbers for the specific type of Dangerous Good must be displayed on:
Tank cars, cargo tanks, portable tanks, and other bulk packaging
Transport vehicles or freight containers containing 1,000 kg (2,205 lbs.) of non-bulk packages of materials poisonous by inhalation in Hazard Zone A or B
Transport vehicles or freight containers containing 4,000 kg (8,820 lbs.) in non-bulk packaging of a single Dangerous Good (having the same proper shipping name and ID number, loaded at the same facility)
The identification numbers can be displayed as part of the placard or on a separate orange panel.
To help carriers be prepared for most any type of shipment, Labelmaster created the Spacemaster® flip placard system in
the 1970s. With this durable aluminum system, carriers can quickly select and display the appropriate placard to ensure compliance.
Available with common combinations from 2 to 18 different placards
Includes a blank placard for non-DG shipments
Custom systems are available
Duo-Flip® systems feature changeable UN numbers for bulk containers/tankers
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