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.

Calcium silicon ==> Caustic soda, bead

Name of MaterialGuideUN#ISO
Current as of: Oct. 2, 2011
Calcium silicon1381406
Calcium, metal and alloys, pyrophoric1351855
Calcium, pyrophoric1351855
Camphor oil1281130
Camphor, synthetic1332717
Caproic acid1532829
Carbamate pesticide, liquid, flammable, poisonous1312758
Carbamate pesticide, liquid, flammable, toxic1312758
Carbamate pesticide, liquid, poisonous1512992
Carbamate pesticide, liquid, poisonous, flammable1312991
Carbamate pesticide, liquid, toxic1512992
Carbamate pesticide, liquid, toxic, flammable1312991
Carbamate pesticide, solid, poisonous1512757
Carbamate pesticide, solid, toxic1512757
Carbon bisulfide1311131
Carbon bisulphide1311131
Carbon dioxide1201013
Carbon dioxide and Ethylene oxide mixture, with more than 87% Ethylene oxide119P3300Yes
Carbon dioxide and Ethylene oxide mixture, with more than 9% but not more than 87% Ethylene oxide1151041
Carbon dioxide and Ethylene oxide mixtures, with more than 6% Ethylene oxide1151041
Carbon dioxide and Ethylene oxide mixtures, with not more than 6% Ethylene oxide1261952
Carbon dioxide and Ethylene oxide mixtures, with not more than 9% Ethylene oxide1261952
Carbon dioxide and Nitrous oxide mixture1261015
Carbon dioxide and Oxygen mixture1221014
Carbon dioxide and Oxygen mixture, compressed1221014
Carbon dioxide, compressed1201013
Carbon dioxide, refrigerated liquid1202187
Carbon dioxide, solid1201845
Carbon disulfide1311131
Carbon disulphide1311131
Carbon monoxide1191016Yes
Carbon monoxide and Hydrogen mixture1192600Yes
Carbon monoxide and Hydrogen mixture, compressed1192600Yes
Carbon monoxide, compressed1191016Yes
Carbon monoxide, refrigerated liquid (cryogenic liquid) 1689202Yes
Carbon tetrabromide1512516
Carbon tetrachloride1511846
Carbon, activated1331362
Carbon, animal or vegetable origin1331361
Carbonyl fluoride1252417Yes
Carbonyl fluoride, compressed1252417Yes
Carbonyl sulfide1192204Yes
Carbonyl sulphide1192204Yes
Castor beans, meal, pomace or flake1712969
Caustic alkali liquid, n.o.s.1541719
Caustic potash, dry, solid1541813
Caustic potash, liquid1541814
Caustic potash, solution1541814
Caustic soda, bead1541823

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: