SafeWork Australia: evaluating the workplace exposure standards for airborne contaminants

SafeWork Australia: evaluating the workplace exposure standards for airborne contaminants

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.

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