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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

Hexanoic acid ==> Hydrogen in a metal hydri

Name of MaterialGuideUN#ISO
Current as of: Oct. 2, 2011
Hexanoic acid1532829
Hexanols1292282
Hexyltrichlorosilane1561784
HL1532810
HN-11532810
HN-21532810
HN-31532810
Hydrazine hydrate1532030
Hydrazine, anhydrous1322029
Hydrazine, aqueous solution, with more than 37% Hydrazine1532030
Hydrazine, aqueous solution, with not less than 37% but not more than 64% Hydrazine1532030
Hydrazine, aqueous solution, with not more than 37% Hydrazine1523293
Hydrazine, aqueous solutions, with more than 64% Hydrazine1322029
Hydrides, metal, n.o.s.1381409
Hydriodic acid1541787
Hydriodic acid, solution1541787
Hydrobromic acid1541788
Hydrobromic acid, solution1541788
Hydrocarbon gas mixture, compressed, n.o.s.1151964
Hydrocarbon gas mixture, liquefied, n.o.s.1151965
Hydrocarbon gas mixture, liquefied, n.o.s.1151965
Hydrocarbon gas refills for small devices, with release device1153150
Hydrocarbon gas, compressed, n.o.s.1151964
Hydrocarbon gas, liquefied, n.o.s.1151965
Hydrocarbons, liquid, n.o.s.1283295
Hydrochloric acid1571789
Hydrochloric acid, solution1571789
Hydrocyanic acid, aqueous solution, with less than 5% Hydrogen cyanide1541613
Hydrocyanic acid, aqueous solution, with not more than 20% Hydrogen cyanide1541613Yes
Hydrocyanic acid, aqueous solutions, with more than 20% Hydrogen cyanide1171051Yes
Hydrofluoric acid1571790
Hydrofluoric acid and Sulfuric acid mixture1571786
Hydrofluoric acid and Sulphuric acid mixture1571786
Hydrofluoric acid, solution1571790
Hydrofluorosilicic acid1541778
Hydrogen1151049
Hydrogen absorbed in metal hydride1159279
Hydrogen and Carbon monoxide mixture1192600Yes
Hydrogen and Carbon monoxide mixture, compressed1192600Yes
Hydrogen and Methane mixture, compressed1152034
Hydrogen bromide, anhydrous1251048Yes
Hydrogen bromide, anhydrous1251048Yes
Hydrogen chloride, anhydrous1251050Yes
Hydrogen chloride, refrigerated liquid1252186Yes
Hydrogen cyanide, anhydrous, stabilized1171051Yes
Hydrogen cyanide, aqueous solution, with not more than 20% Hydrogen cyanide1541613Yes
Hydrogen cyanide, solution in alcohol, with not more than 45% Hydrogen cyanide1313294Yes
Hydrogen cyanide, stabilized1171051Yes
Hydrogen cyanide, stabilized (absorbed) 1521614Yes
Hydrogen fluoride, anhydrous1251052Yes

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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