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Directive 91/322/EEC - indicative limit values

of 29 May 1991 on establishing indicative limit values by implementing Council Directive 80/1107/EEC on the protection of workers from the risks related to exposure to chemical, physical and biological agents at work.

This Directive is based on Council Directive 80/1107/EEC, which was repealed and replaced by Council Directive 98/24/EC. It sets out limit values for certain chemical substances in its Annex. The limit values for 17 of these substances were later on transferred to Commission Directive 2006/15/EC.

The current Directive establishes values for a reference period of eight hours for the following 10 chemical substances:

Acetic acid
Picric acid
Naphtalene
Pyridine
Calcium dihydroxide
Cresols (all isomers)
Platinum (metallic)
Lithium hydride
Nitrogen monoxide
Tin (inorganic compounds as Sn)

Read the full text of the consolidated version of the Directive (including later amendments)

Read the full text of the original Directive

National laws implementing this Directive

There are lists on indicative occupational exposure limit values:

Further information on this topic