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 2069 through 2232

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
2069140Ammonium nitrate fertilizers, with Ammonium sulfate
2069140Ammonium nitrate fertilizers, with Ammonium sulphate
2069140Ammonium nitrate mixed fertilizers
2070143Ammonium nitrate fertilizers, with Phosphate or Potash
2071140Ammonium nitrate fertilizer, with not more than 0.4% combustible material
2071140Ammonium nitrate fertilizers
2072140Ammonium nitrate fertilizer, n.o.s.
2072140Ammonium nitrate fertilizers
2073125Ammonia, solution, with more than 35% but not more than 50% Ammonia
2074153PAcrylamide, solid
2075153Chloral, anhydrous, stabilized
2076153Cresols, liquid
2076153Cresols, solid
2077153Naphthylamine (alpha)
2078156Toluene diisocyanate
2186125Hydrogen chloride, refrigerated liquidYes
2187120Carbon dioxide, refrigerated liquid
2190124Oxygen difluorideYes
2190124Oxygen difluoride, compressedYes
2191123Sulfuryl fluorideYes
2191123Sulphuryl fluorideYes
2193126Hexafluoroethane, compressed
2193126Refrigerant gas R-116
2193126Refrigerant gas R-116, compressed
2194125Selenium hexafluorideYes
2195125Tellurium hexafluorideYes
2196125Tungsten hexafluorideYes
2197125Hydrogen iodide, anhydrousYes
2198125Phosphorus pentafluorideYes
2198125Phosphorus pentafluoride, compressedYes
2200116PPropadiene, stabilized
2201122Nitrous oxide, refrigerated liquid
2202117Hydrogen selenide, anhydrousYes
2203116Silane, compressed
2204119Carbonyl sulfideYes
2204119Carbonyl sulphideYes
2206155Isocyanate solution, poisonous, n.o.s.
2206155Isocyanate solution, toxic, n.o.s.
2206155Isocyanate solutions, n.o.s.
2206155Isocyanates, n.o.s.
2206155Isocyanates, poisonous, n.o.s.
2206155Isocyanates, toxic, n.o.s.
2208140Bleaching powder
2208140Calcium hypochlorite mixture, dry, with more than 10% but not more than 39% available Chlorine
2209132Formaldehyde, solutions (Formalin) (corrosive)
2210135Maneb preparation, with not less than 60% Maneb
2211133Polymeric beads, expandable
2211133Polystyrene beads, expandable
2212171Asbestos, blue
2212171Asbestos, brown
2212171Blue asbestos
2212171Brown asbestos
2214156Phthalic anhydride
2215156Maleic acid
2215156Maleic anhydride
2215156Maleic anhydride, molten
2216171Fish meal, stabilized
2216171Fish meal, stabilized
2216171Fish scrap, stabilized
2216171Fish scrap, stabilized
2217135Seed cake, with not more than 1.5% oil and not more than 11% moisture
2218132PAcrylic acid, stabilized
2219129Allyl glycidyl ether
2225156Benzenesulfonyl chloride
2225156Benzenesulphonyl chloride
2227130Pn-Butyl methacrylate, stabilized

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)

Related Resources


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.

Citing this page

If you need to cite this page, you can copy this text: