Acute Toxicity Databases
AEGLAcute Exposure Guideline Levels - U.S. Environmental Protection Agency
ERPG-/TEEL        Emergency Response Planning Guidelines - U.S. Department of Energy
TEELSCAPA - U.S. Subcommittee on Consequence Assessment and Protective Actions
ToxnetCluster of databases on toxicology, hazardous chemicals, and related areas - U.S. National Library of Medicine
IDLHImmediately Dangerous to Life or Health Concentrations -NIOSH
WGKGerman Federal Enviroment Agency - Water Hazard Classes (WGK)

Chemical Accidents Databases
CSBU.S. Chemical Safety and Hazard Investigation Board
NTSB        U.S. National Transportation Safety Board

Emergency Information Cards
ERG 2016Emergency Response Guidebook 2016.
EriCards        Emergency Response Intervention Cards.
ICSCInternational Chemical Safety Cards (ICSCs).
Chemical Hazards        Online NIOSH Pocket Guide to Chemical Hazards.

Laboratory SpiezSpiez Laboratory is the Swiss NBC defence establishment.

Thermochemical, thermophysical substance databases
NIST WebbookNIST thermochemical, thermophysical Standard Reference Database.

ADREuropean Agreement concerning the International Carriage of Dangerous Goods by Road

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