Table 1.
Occupational exposure levels for hydrogen sulphide currently in 31 jurisdictions.
| Jurisdiction | Limit Value-Eight Hours | Limit Value-Short Term | Notes | ||
|---|---|---|---|---|---|
| ppm | mg/m3 | ppm | mg/m3 | ||
| Australia | 10 | 14 | 15 | 21 | |
| Austria | 5 | 7 | 5 | 7 | |
| Belgium | 5 | 7 | 10 | 14 | |
| Canada-Ontario | 10 | 15 | A | ||
| Canada-Québec | 10 | 14 | 15 | 21 | |
| Denmark | 10 | 15 | 20 | 30 | |
| European Union | 5 | 7 | 10 | 14 | F, A |
| Finland | 5 | 7 | 10 | 14 | A |
| France | 5 | 7 | 10 | 14 | B |
| Germany (AGS) | 5 | 7.1 | 10 | 14.2 | A |
| Germany (DFG) | 5 | 7.1 | 10 | 14.2 | A |
| Hungary | 14 | 14 | |||
| Ireland | 5 | 7 | 10 | 14 | C |
| Italy | 5 | 7 | 10 | 14 | |
| Japan | 10 | ||||
| Japan-JSOH | 5 | 7 | |||
| Latvia | 10 | ||||
| People’s Republic of China | 10 | D | |||
| Poland | 7 | 14 | |||
| Romania | 5 | 7 | 10 | 14 | A |
| Singapore | 10 | 14 | 15 | 21 | |
| South Korea | 10 | 14 | 15 | 21 | |
| Spain | 1 | 5 | |||
| Sweden | 5 | 7 | 10 | 14 | A |
| Switzerland | 5 | 7.1 | 10 | 14.2 | |
| The Netherlands | 2.3 | ||||
| Turkey | 5 | 7 | 10 | 14 | A |
| USA-NIOSH | 10 | 15 | E | ||
| USA-OSHA | 20 | ||||
| United Kingdom | 5 | 7 | 10 | 14 | |
Notes: A = 15 min average value; B = Restrictive statutory limit values; C = 15 min reference period; D = ceiling limit value; E = 10 min ceiling limit value; F = (EU) Indicative Occupational Exposure Limit Values and Limit Values for Occupational Exposure Binding Occupational Exposure Limit Value–BOELV. GESTIS International Limit Values. From [10].