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.

Hydrogen in a metal hydri ==> Isobutane

Name of MaterialGuideUN#ISO
Current as of: Oct. 2, 2011
Hydrogen in a metal hydride storage system1153468
Hydrogen in a metal hydride storage system contained in equipment1153468
Hydrogen in a metal hydride storage system packed with equipment1153468
Hydrogen iodide, anhydrous1252197Yes
Hydrogen peroxide and Peroxyacetic acid mixture, with acid(s) , water and not more than 5% Peroxyacetic acid, stabilized1403149
Hydrogen peroxide, aqueous solution, stabilized, with more than 60% Hydrogen peroxide1432015
Hydrogen peroxide, aqueous solution, with not less than 20% but not more than 60% Hydrogen peroxide (stabilized as necessary) 1402014
Hydrogen peroxide, aqueous solution, with not less than 8% but less than 20% Hydrogen peroxide1402984
Hydrogen peroxide, stabilized1432015
Hydrogen selenide, anhydrous1172202Yes
Hydrogen sulfide1171053Yes
Hydrogen sulphide1171053Yes
Hydrogen, compressed1151049
Hydrogen, refrigerated liquid (cryogenic liquid) 1151966
Hydrogendifluorides, n.o.s.1541740
Hydrogendifluorides, solid, n.o.s.1541740
Hydrogendifluorides, solution, n.o.s.1543471
Hydroquinone1532662
Hydroquinone, solid1532662
Hydroquinone, solution1533435
Hydroxylamine sulfate1542865
Hydroxylamine sulphate1542865
Hypochlorite solution1541791
Hypochlorite solution, with more than 5% available Chlorine1541791
Hypochlorites, inorganic, n.o.s.1403212
Infectious substance, affecting animals only1582900
Infectious substance, affecting humans1582814
Ink, printer's, flammable1291210
Insecticide gas, flammable, n.o.s.1151954
Insecticide gas, flammable, n.o.s.1153354
Insecticide gas, n.o.s.1261968
Insecticide gas, poisonous, flammable, n.o.s.1193355Yes
Insecticide gas, poisonous, flammable, n.o.s. (Inhalation Hazard Zone A) 1193355Yes
Insecticide gas, poisonous, flammable, n.o.s. (Inhalation Hazard Zone B) 1193355Yes
Insecticide gas, poisonous, flammable, n.o.s. (Inhalation Hazard Zone C) 1193355Yes
Insecticide gas, poisonous, flammable, n.o.s. (Inhalation Hazard Zone D) 1193355Yes
Insecticide gas, poisonous, n.o.s.1231967Yes
Insecticide gas, toxic, flammable, n.o.s.1193355Yes
Insecticide gas, toxic, flammable, n.o.s. (Inhalation Hazard Zone A) 1193355Yes
Insecticide gas, toxic, flammable, n.o.s. (Inhalation Hazard Zone B) 1193355Yes
Insecticide gas, toxic, flammable, n.o.s. (Inhalation Hazard Zone C) 1193355Yes
Insecticide gas, toxic, flammable, n.o.s. (Inhalation Hazard Zone D) 1193355Yes
Insecticide gas, toxic, n.o.s.1231967Yes
Iodine monochloride1571792
Iodine monochloride1571792
Iodine pentafluoride1442495
Iodomethylpropanes1292391
Iodopropanes1292392
IPDI1562290
IPDI1562290
Iron oxide, spent1351376
Iron pentacarbonyl1311994Yes
Iron pentacarbonyl1311994Yes
Iron sponge, spent1351376
Isobutane1151075
Isobutane1151969

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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