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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.

ERG Menu

UN Numbers 2006 through 2068

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
2006135Plastic, nitrocellulose-based, spontaneously combustible, n.o.s.
2006135Plastics, nitrocellulose-based, self-heating, n.o.s.
2008135Zirconium powder, dry
2009135Zirconium, dry, finished sheets, strips or coiled wire
2010138Magnesium hydride
2011139Magnesium phosphide
2012139Potassium phosphide
2013139Strontium phosphide
2014140Hydrogen peroxide, aqueous solution, with not less than 20% but not more than 60% Hydrogen peroxide (stabilized as necessary)
2015143Hydrogen peroxide, aqueous solution, stabilized, with more than 60% Hydrogen peroxide
2015143Hydrogen peroxide, stabilized
2016151Ammunition, poisonous, non-explosive
2016151Ammunition, toxic, non-explosive
2017159Ammunition, tear-producing, non-explosive
2018152Chloroanilines, solid
2019152Chloroanilines, liquid
2020153Chlorophenols, solid
2021153Chlorophenols, liquid
2022153Cresylic acid
2023131P1-Chloro-2,3-epoxypropane
2023131PEpichlorohydrin
2024151Mercury compound, liquid, n.o.s.
2025151Mercury compound, solid, n.o.s.
2026151Phenylmercuric compound, n.o.s.
2027151Sodium arsenite, solid
2028153Bombs, smoke, non-explosive, with corrosive liquid, without initiating device
2029132Hydrazine, anhydrous
2029132Hydrazine, aqueous solutions, with more than 64% Hydrazine
2030153Hydrazine hydrate
2030153Hydrazine, aqueous solution, with more than 37% Hydrazine
2030153Hydrazine, aqueous solution, with not less than 37% but not more than 64% Hydrazine
2031157Nitric acid, other than red fuming
2032157Nitric acid, fumingYes
2032157Nitric acid, red fumingYes
2033154Potassium monoxide
2034115Hydrogen and Methane mixture, compressed
2034115Methane and Hydrogen mixture, compressed
20351151,1,1-Trifluoroethane
2035115Refrigerant gas R-143a
2035115Trifluoroethane, compressed
2036121Xenon
2036121Xenon, compressed
2037115Gas cartridges
2037115Receptacles, small, containing gas
2038152Dinitrotoluenes
2038152Dinitrotoluenes, liquid
2038152Dinitrotoluenes, solid
20441152,2-Dimethylpropane
2045130Isobutyl aldehyde
2045130Isobutyraldehyde
2046130Cymenes
2047129Dichloropropenes
2048130Dicyclopentadiene
2049130Diethylbenzene
2050128Diisobutylene, isomeric compounds
20511322-Dimethylaminoethanol
2051132Dimethylethanolamine
2052128Dipentene
2053129M.I.B.C.
2053129Methyl isobutyl carbinol
2053129Methylamyl alcohol
2054132Morpholine
2055128PStyrene monomer, stabilized
2056127Tetrahydrofuran
2057128Tripropylene
2058129Valeraldehyde
2058129Valeraldehyde
2059127Nitrocellulose, solution, flammable
2059127Nitrocellulose, solution, in a flammable liquid
2067140Ammonium nitrate fertilizers
2068140Ammonium nitrate fertilizers, with Calcium carbonate

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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Disclaimer

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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