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 1500 through 1579

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
1500140Sodium nitrite
1502140Sodium perchlorate
1503140Sodium permanganate
1504144Sodium peroxide
1505140Sodium persulfate
1505140Sodium persulfate
1505140Sodium persulphate
1506143Strontium chlorate
1506143Strontium chlorate, solid
1506143Strontium chlorate, solution
1507140Strontium nitrate
1508140Strontium perchlorate
1509143Strontium peroxide
1511140Urea hydrogen peroxide
1512140Zinc ammonium nitrite
1513140Zinc chlorate
1514140Zinc nitrate
1515140Zinc permanganate
1516143Zinc peroxide
1517113Zirconium picramate, wetted with not less than 20% water
1541155Acetone cyanohydrin, stabilized
1544151Alkaloid salts, solid, n.o.s. (poisonous)
1544151Alkaloids, solid, n.o.s. (poisonous)
1545155Allyl isothiocyanate, stabilized
1546151Ammonium arsenate
1548153Aniline hydrochloride
1549157Antimony compound, inorganic, n.o.s.
1549157Antimony compound, inorganic, solid, n.o.s.
1549157Antimony tribromide, solid
1549157Antimony tribromide, solution
1549157Antimony trifluoride, solid
1549157Antimony trifluoride, solution
1550151Antimony lactate
1551151Antimony potassium tartrate
1553154Arsenic acid, liquid
1554154Arsenic acid, solid
1555151Arsenic bromide
1556152Arsenic compound, liquid, n.o.s.
1556152Arsenic compound, liquid, n.o.s., inorganic
1557152Arsenic compound, solid, n.o.s.
1557152Arsenic compound, solid, n.o.s., inorganic
1557152Arsenic sulfide
1557152Arsenic sulphide
1557152Arsenic trisulfide
1557152Arsenic trisulphide
1559151Arsenic pentoxide
1560157Arsenic chlorideYes
1560157Arsenic trichlorideYes
1561151Arsenic trioxide
1562152Arsenical dust
1564154Barium compound, n.o.s.
1565157Barium cyanide
1566154Beryllium compound, n.o.s.
1567134Beryllium powder
1571113Barium azide, wetted with not less than 50% water
1572151Cacodylic acid
1573151Calcium arsenate
1574151Calcium arsenate and Calcium arsenite mixture, solid
1574151Calcium arsenite and Calcium arsenate mixture, solid
1574151Calcium arsenite, solid
1575157Calcium cyanide
1577153Chlorodinitrobenzenes, liquid
1577153Chlorodinitrobenzenes, solid
1578152Chloronitrobenzenes, liquid
1578152Chloronitrobenzenes, solid
15791534-Chloro-o-toluidine hydrochloride
15791534-Chloro-o-toluidine hydrochloride, solid

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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