Industry Terms:
DG – Dangerous Goods
DGR – Dangerous Goods Regulations
HM – Hazardous Materials (“HazMat”)
HMR – Hazardous Materials Regulations
NA ID # – North American Identification Number
(refers to 4-digit codes which represent a proper shipping name of a hazardous material, used only in US, recognized in Canada; not for international use)
NOS or N.O.S. – not otherwise specified (refers to generic hazardous materials)
SP or DOT-SP: US DOT Special Permit, an alternative way to comply with regulations
UN ID # – United Nations Identification Number
(refers to 4-digit codes which represent an internationally recognized proper shipping name of a hazardous material)
VOCs – Volatile Organic Compounds – emissions or vapors from petroleum products
Agencies:
DOT or US DOT – United States Department of Transportation
FMCSA – Federal Motor Carrier Safety Administration
FRA – Federal Railroad Administration
IATA – International Air Transport Association
ICAO – International Civil Aviation Organization
IMDG – International Maritime Dangerous Goods Code
IMO – International Maritime Organization
MARAD – Maritime Administration
PHMSA – Pipeline and Hazardous Materials Safety Administration
TC – Transport Canada
TSB – Canadian Transportation Safety Board
USCG – United States Coast Guard
Rulemaking Terms:
ANPRM – Advanced Notice of Proposed Rulemaking
NPRM – Notice of Proposed Rulemaking
EO – Emergency Order
FR – Final Rule or Federal Register, depending upon how it’s used
MAP-21 – Moving Ahead for Progress in the 21st Century – a collection of requirements set forth by the US Congress which mandates that the agencies of DOT must implement certain new procedures or requirements, among other things, by a specific date.
SA – Safety Advisory