Safe Work Australia is evaluating the workplace exposure standards for airborne contaminants to ensure that they are based on the highest quality, most contemporary evidence and supported by a rigorous scientific approach.
Those with relevant feedback or insight are invited to provide that knowledge regarding the draft evaluation reports and recommendations. In particular comments of a technical nature are sought about:
- the toxicological information and data that the recommended workplace exposure standard is based upon and
- the measurement and analysis information provided
Comments are open from today, Friday 30 August 2019 and will close on 27 September 2019.
Chemicals open for comment this release:
| Chemical | Revision Proposed? | Current TWA | Recommended TWA | ||
| ppm | mg/m3 | ppm | mg/m3 | ||
| Acetaldehyde | Yes – interim value | 20 | 36 | 20 (peak limitation) |
36 (peak limitation) |
| Acetic acid | No | 10 | 25 | 10 | 25 |
| Acetic anhydride | Yes | 5 (peak limitation) |
21 (peak limitation) |
0.5 | 2.1 |
| Acetone | Yes | 500 | 1195 | 250 | 594 |
| Acetonitrile | Yes | 40 | 67 | 20 | 34 |
| Acetylsalicylic acid | No | – | 5 | 0.68 | 5 |
| Acrolein | Yes | 0.1 | 0.23 | 0.02 | 0.05 |
| Acrylamide | Yes | – | 0.3 | 2.8×10-4 | 0.8 µg/m3 |
| Acrylic acid | Yes | 2 | 5.9 | 10 | 29 |
| Acrylonitrile | Yes | 2 | 4.3 | 0.5 ppb | 1.17 µg/m3 |
| Aldrin | Yes | – | 0.25 | – | 0.05 |
| Allyl alcohol | Yes | 2 | 4.8 | 1 | 2.4 |
| Allyl chloride | Yes – interim value | 1 | 3 | 0.01 | 0.03 |
| Allyl glycidyl ether (AGE) | Yes – interim value | 5 | 23 | 0.1 | 0.5 |
| Allyl propyl disulphide | No | 2 | 12 | 2 | 12 |
| Aluminium & compounds | Yes – interim value | – | Various | – | 1 |
| 2-Aminopyridine | No | 0.5 | 2 | 0.5 | 1.9 |
| Amitrole | No | – | 0.2 | – | 0.2 |
| Ammonia | Yes | 25 | 17 | 20 | 14 |
| Ammonium chloride | No | – | 10 | – | 10 |
| Ammonium perfluorooctanoate | Yes | – | 0.1 | – | 0.01 |
| Ammonium sulphamate | No | – | 10 | – | 10 |
| Amyl acetate (iso-, n- & sec- isomers) |
No | 50 | – | 50 | – |
| Aniline & homologues | Yes | 2 | 7.6 | 0.5 | 1.94 |
| Anisidine (o-, p- isomers) |
Yes –interim value | 0.1 | 0.5 | 0.01 | 0.05 |
| Antimony & compounds | No | – | 0.5 | – | 0.5 |
| Antimony trioxide | Yes – removal | – | 0.5 | Not recommended | Not recommended |
| ANTU | Yes – removal | – | 0.3 | Not recommended | Not recommended |
| Arsenic & soluble compounds | Yes | – | 0.05 | – | 0.01 |
| Arsine | Yes – interim value | 0.05 | 0.16 | 0.005 | 0.016 |
| Atrazine | Yes | – | 5 | – | 1 |
| Azinphos-methyl | Yes | – | 0.2 | – | 1 |
| Barium sulfate | Yes | – | 10 | – | 1.35 (respirable) 4 (inhalable) |
| Barium & soluble compounds | Yes – interim value |
– | 0.5 | – | 0.5 |
| Benomyl | Yes | 0.84 | 10 | – | 1 |
| Benzene | Yes | 1 | 3.2 | 0.2 | 0.7 |
| Benzidine | New | – | – | – | 0.002 µg/m3 |
| 1H-Benzotriazole | New | – | – | Further evaluation required | Further evaluation required |
| Benzoyl chloride | New | – | – | 0.5 (peak limitation) |
2.8 (peak limitation) |
Submissions are able to be made via engage.swa.gov.au.