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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

Refrigerant gas R-32 ==> Selenium hexafluoride

Name of MaterialGuideUN#ISO
Current as of: Oct. 2, 2011
Refrigerant gas R-321153252
Refrigerant gas R-401151063
Refrigerant gas R-404A1263337
Refrigerant gas R-407A1263338
Refrigerant gas R-407B1263339
Refrigerant gas R-407C1263340
Refrigerant gas R-411152454
Refrigerant gas R-500 (azeotropic mixture of Refrigerant gas R-12 and Refrigerant gas R-152a with approximately 74% Refrigerant gas R-12) 1262602
Refrigerant gas R-5021261973
Refrigerant gas R-503 (azeotropic mixture of Refrigerant gas R-13 and Refrigerant gas R-23 with approximately 60% Refrigerant gas R-13) 1262599
Refrigerant gas RC-3181261976
Refrigerant gas, n.o.s.1261078
Refrigerant gas, n.o.s. (flammable) 1151954
Refrigerating machine1281993
Refrigerating machines, containing Ammonia solutions (UN2672) 1262857
Refrigerating machines, containing flammable, non-poisonous, liquefied gases1153358
Refrigerating machines, containing flammable, non-poisonous, non-corrosive, liquefied gas1151954
Refrigerating machines, containing flammable, non-toxic, liquefied gases1153358
Refrigerating machines, containing non-flammable, non-poisonous gases1262857
Refrigerating machines, containing non-flammable, non-toxic gases1262857
Regulated medical waste, n.o.s.1583291
Resin solution1271866
Resorcinol1532876
Rosin oil1271286
Rubber scrap, powdered or granulated1331345
Rubber shoddy, powdered or granulated1331345
Rubber solution1271287
Rubidium1381423
Rubidium hydroxide1542678
Rubidium hydroxide, solid1542678
Rubidium hydroxide, solution1542677
Rubidium metal1381423
SA1192188
Sarin1532810
Seat-belt modules1713268
Seat-belt pre-tensioners1713268
Seat-belt pre-tensioners, compressed gas1263353
Seat-belt pre-tensioners, pyrotechnic1713268
sec-Butyl chloroformate1552742Yes
Seed cake, with more than 1.5% oil and not more than 11% moisture1351386
Seed cake, with not more than 1.5% oil and not more than 11% moisture1352217
Selenates1512630
Selenates1512630
Selenic acid1541905
Selenic acid1541905
Selenites1512630
Selenites1512630
Selenium compound, liquid, n.o.s.1513440
Selenium compound, n.o.s.1513283
Selenium compound, solid, n.o.s.1513283
Selenium disulfide1532657
Selenium disulphide1532657
Selenium hexafluoride1252194Yes

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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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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