---
title: "Commission Directive 91/322/EEC 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"
id: ac601f8b-17a2-4177-b32a-157b3b77413a
authority: eu
place: "European Union"
applies_also_from: []
kind: directive
in_force: true
publisher_url: https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:31991L0322
attribution: "© European Union, https://eur-lex.europa.eu"
solon_url: https://solon.orangecat.ch/law/ac601f8b-17a2-4177-b32a-157b3b77413a
language: en
in_force_from: 2018-08-21
date_basis: publisher
status: consolidated
source_url: https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:01991L0322-20180821
read_on: 2026-11-08
sha256: 218f251a78228c2bb99e6f5b046527ecba01177d161fac3b6560bfeac441123a
provisions: 4
---

# Commission Directive 91/322/EEC 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

## Article 1 {#art_1}

Indicative limit values, of which Member States shall take account, inter alia, when establishing the limit values referred to in Article 4 (4) (b) of Directive 80/1107/EEC are listed in the Annex.

## Article 2 {#art_2}

1.
Member States shall bring into force the provisions necessary to comply with this Directive by 31 December 1993. They shall immediately inform the Commission thereof.
When Member States adopt these provisions, these shall contain a reference to this Directive or shall be accompanied by such reference at the time of their official publication. The procedure for such reference shall be adopted by Member States.
2.
Member States shall communicate to the Commission the provisions of national law which they adopt in the field governed by this Directive.

## Article 3 {#art_3}

This Directive is addressed to the Member States.

## ANNEX INDICATIVE LIMIT VALUES FOR OCCUPATIONAL EXPOSURE {#anx_1}

Einecs (1) CAS (2)
Name of agent
Limit values (3)
mg/m3 (4) ppm (5)
—————
—————
—————
2 018 659 88-89-1
Picric acid (6)
0,1
—
2 020 495 91-20-3
Naphtalene
50
10
—————
2 038 099 110-86-1
Pyridine (6)
15
5
—————
—————
—————
2 152 932 1319-77-3
Cresols (all isomers) (6)
22
5
2 311 161 7440-06-4
Platinum (metallic) (6)
1
—
—————
—————
—————
—————
Tin (inorganic compounds as Sn) (6) 2
—
(1)
Einecs: European Inventory of Existing Chemical Substances.
(2)
CAS: Chemical Abstract Service Number.
(3)
Measured or calculated in relation to a reference period of eight hours.
(4)
Mg/m3 = milligrams per cubic metre of air at 20 °C and 101,3 KPa (760 mm mercury pressure).
(5)
Ppm = parts per million by volume in air (ml/m3).
(6)
Existing scientific data on health effects appear to be particularly limited.
//</s