Emergency Response Guidebook (ERG)

This is an online version of the 2008 Emergency Response Guidebook (ERG) which is produced by the USDOT for first responders during the initial phase of a Dangerous goods/Hazardous Materials incident. Have you ever wondered what those four digit numbers on the placards on the side of trucks and rail cars mean? Our online ERG will give you your answer.

UN Numbers 3420 through 3469

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
3420157Boron trifluoride propionic acid complex, solid
3421154Potassium hydrogen difluoride, solution
3422154Potassium fluoride, solution
3423153Tetramethylammonium hydroxide, solid
3424141Ammonium dinitro-o-cresolate, solution
3425156Bromoacetic acid, solid
3426153PAcrylamide, solution
3427153Chlorobenzyl chlorides, solid
34281563-Chloro-4-methylphenyl isocyanate, solid
3429153Chlorotoluidines, liquid
3430153Xylenols, liquid
3431152Nitrobenzotrifluorides, solid
3432171Polychlorinated biphenyls, solid
3433135Lithium alkyls, solid
3434153Nitrocresols, liquid
3435153Hydroquinone, solution
3436151Hexafluoroacetone hydrate, solid
3437152Chlorocresols, solid
3438153alpha-Methylbenzyl alcohol, solid
3439151Nitriles, poisonous, solid, n.o.s.
3439151Nitriles, toxic, solid, n.o.s.
3440151Selenium compound, liquid, n.o.s.
3441153Chlorodinitrobenzenes, solid
3442153Dichloroanilines, solid
3443152Dinitrobenzenes, solid
3444151Nicotine hydrochloride, solid
3445151Nicotine sulfate, solid
3445151Nicotine sulphate, solid
3446152Nitrotoluenes, solid
3447152Nitroxylenes, solid
3448159Tear gas substance, solid, n.o.s.
3449159Bromobenzyl cyanides, solid
3450151Diphenylchloroarsine, solid
3451153Toluidines, solid
3452153Xylidines, solid
3453154Phosphoric acid, solid
3454152Dinitrotoluenes, solid
3455153Cresols, solid
3456157Nitrosylsulfuric acid, solid
3456157Nitrosylsulphuric acid, solid
3457152Chloronitrotoluenes, solid
3458152Nitroanisoles, solid
3459152Nitrobromobenzenes, solid
3460153N-Ethylbenzyltoluidines, solid
3461135Aluminum alkyl halides, solid
3462153Toxins, extracted from living sources, solid, n.o.s.
3463132Propionic acid, with not less than 90% acid
3464151Organophosphorus compound, poisonous, solid, n.o.s.
3464151Organophosphorus compound, toxic, solid, n.o.s.
3465151Organoarsenic compound, solid, n.o.s.
3466151Metal carbonyls, solid, n.o.s.
3467151Organometallic compound, poisonous, solid, n.o.s.
3467151Organometallic compound, toxic, solid, n.o.s.
3468115Hydrogen in a metal hydride storage system
3468115Hydrogen in a metal hydride storage system contained in equipment
3468115Hydrogen in a metal hydride storage system packed with equipment
3469132Paint related material, flammable, corrosive
3469132Paint, flammable, corrosive

Data Source for our online 2008 ERG

This information was compiled from the 2008 Emergency Response Guidebook (2008 ERG) which is produced by the U.S. Department of Transportation.

(Data last updated/verified: Oct. 2, 2011)

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WARNING: These pages are for general reference and educational purposes only and MUST NOT be relied upon as a sole source to determine regulatory compliance or where matters of life and health are concerned. This site and the author do not warrant or guarantee the accuracy or the sufficiency of the information provided and do not assume any responsibility for its use.

To ensure regulatory compliance when transporting hazardous materials or dangerous goods, one must receive proper training and certification from a qualified instructor and refer to the current year's Code of Federal Regulations Title 49 (49CFR) or your country's shipping regulations. In matters regarding workplace safety, refer to current OSHA regulations (29CFR) and NIOSH guidelines or your own country's health and safety regulations. No one should ever enter into a hazardous environment without proper training from qualified instructors.

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