Safety - Toxicity Standards  [ Return to  Safety  ]

The Toxicity (TWA and STEL) data quoted in the pure gas PDF files are taken from the National Occupational Health and Safety Council (NOHSC) of Australia document :

Exposure Standards for Atmospheric Contaminants in the Occupational Environment.

Guidance Note
[(NOHSC: 3008(1996)]

and

National Exposure Standards
[NOHSC: 1033(1995)]

This document may be obtained from here

The determination of toxicity as expressed in terms of a compound’s LC50 (Lethal concentration for 50%). The method and data are provided in:

International Standard ISO 10298 1995(E) “Determination of toxicity of a gas or gas mixture.