WES review - Release 4 (caprolactam to clopidol)

Share on Facebook Share on Twitter Share on Linkedin Email this link

WES review - Release 4 (caprolactam to clopidol) closed on Friday 25 October 2019.

Safe Work Australia is evaluating the Workplace exposure standards for airborne contaminants to ensure they are based on the highest quality, contemporary evidence and supported by a rigorous scientific approach.

We would like your feedback on 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.

For more information on other chemicals and their release dates, please see the release schedule.

Comments are open from Friday 27 September 2019 and will close on 25 October 2019.

Chemicals open for comment this release:

Chemical
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Bitumen fumes
Yes

5

0.5
Borates compounds
Yes

Various

0.75
Boron tribromide
Yes
1
(peak limitation)
10
(peak limitation)
0.7
(peak limitation)
7.19
(peak limitation)
Boron trifluoride
Yes
1
(peak limitation)
2.8
(peak limitation)
0.1
0.28
Bromacil
No
1
11
1
11
Bromine
Yes – interim value
0.1
0.66
0.1
0.66
1,3-Butadiene
Yes
10
22
0.01
27 µg/m3
Butane
Yes – interim value
800
1900
1000
(STEL)
2370
(STEL)
2-Butoxyethyl acetate
No
20
133
20
133
n-Butyl acrylate
Yes –
interim value
1
5
2
11
sec-Butyl alcohol
Yes – interim value
100
303
100
303
tert-Butyl alcohol
Yes
100
303
20
62
n-Butyl glycidyl ether (BGE)
Yes
25
133
3
16
n-Butyl lactate
No
5
30
5
30
Butylamine
No
5 (peak limitation)
15 (peak limitation)
5 (peak limitation)
15 (peak limitation)
o-sec-Butylphenol
Yes – interim value
5
31
5
31
p-tert-Butyltoluene
Yes – interim value
10
61
1
6.1
γ-Butyrolactone (gamma)
New




Cadmium and compounds (as Cd)
Yes

0.01
1 µg/m3
0.001
Caesium hydroxide
New – interim value

2

2
Calcium carbonate
No

10

10
Calcium cyanamide
Yes

0.5

0.2
Calcium oxide
Yes

2
-
1
Camphor, synthetic
No
2
12
2
12
Caprolactam (dust and vapour) (including e‑Captrolactam)
Yes

Various

5
Captafol
No

0.1

0.1
Captan
Yes – interim value

0.5

5
Carbaryl
Yes

5

0.5
Carbofuran
No
­–
0.1

0.1
Carbon black
No

3

3
Carbon dioxide, including CO2 in coal mines
No
Various
Various
5000
9000
Carbon disulfide
Yes
10
31
1
3.13
Carbon monoxide
Yes
30
34
20
23
Carbon tetrabromide
No
0.1
1.4
0.1
1.4
Carbon tetrachloride

Deferred to Release 5

Carbonyl fluoride
No
2
5.4
2
5.4
Catechol

Deferred to Release 5

Cellulose (paper fibre)
No

10

10
Chlordane
No

0.5

0.5
Chlorinated camphene
No

0.5

0.5
Chlorinated diphenyl oxide
No

0.5

0.5
Chlorine

Deferred to Release 5

Chlorine dioxide
Yes – interim value
0.1
0.28
0.1
(peak limitation)

Chlorine trifluoride
No
0.1
(peak limitation)
0.38
(peak limitation)
0.1
(peak limitation)
0.38
(peak limitation)
1-Chloro-1-nitropropane

Deferred to Release 5

Chloroacetaldehyde
No
1
(peak limitation)
3.2
(peak limitation)
1
(peak limitation)
3.2
(peak limitation)
Chloroacetone
No
1
(peak limitation)
3.8
(peak limitation)
1
(peak limitation)
3.8
(peak limitation)
alpha-Chloroacetophenone
Yes
0.05
0.32
0.02
0.1
Chloroacetyl chloride
No
0.05
0.23
0.05
0.23
Chlorobenzene

Deferred to Release 5

o-Chlorobenzylidene malononitrile

Deferred to Release 5

Chlorobromomethane
No
200
1060
200
1060
Chlorodifluoromethane
No
1000
3540
1000
3540
Chloroform
Yes
2
10
0.5
2.5
bis(Chloromethyl) ether
Yes
0.001
0.005
0.0003 ppb
0.0015 µg/m3
Chloromethyl methyl ether
New




Chloropentafluoroethane
No
1000
6320
1000
6320
Chloropicrin
No
0.1
0.67
0.1
0.67
beta-Chloroprene
Yes
10
36
0.00007
0.27 µg/m3
2-Chloropropionic acid
No
0.1
0.44
0.1
0.44
o-Chlorostyrene
No
50
283
50
283
Chlorosulphonic acid
No
0.209
1
0.209
1
o-Chlorotoluene
Yes
50
259
20
105
Chlorpyrifos

Deferred to Release 5

Chromium (metal),(II),(III)(as Cr)

Deferred to Release 5

Chromium (VI) (as Cr)
Deferred to Release 5
Chrysene
Deferred to Release 13 (see PAH)
Clopidol
New

10

2


For any assistance in providing your comments please contact us at WESconsult@swa.gov.au.

Safe Work Australia is evaluating the Workplace exposure standards for airborne contaminants to ensure they are based on the highest quality, contemporary evidence and supported by a rigorous scientific approach.

We would like your feedback on 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.

For more information on other chemicals and their release dates, please see the release schedule.

Comments are open from Friday 27 September 2019 and will close on 25 October 2019.

Chemicals open for comment this release:

Chemical
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Bitumen fumes
Yes

5

0.5
Borates compounds
Yes

Various

0.75
Boron tribromide
Yes
1
(peak limitation)
10
(peak limitation)
0.7
(peak limitation)
7.19
(peak limitation)
Boron trifluoride
Yes
1
(peak limitation)
2.8
(peak limitation)
0.1
0.28
Bromacil
No
1
11
1
11
Bromine
Yes – interim value
0.1
0.66
0.1
0.66
1,3-Butadiene
Yes
10
22
0.01
27 µg/m3
Butane
Yes – interim value
800
1900
1000
(STEL)
2370
(STEL)
2-Butoxyethyl acetate
No
20
133
20
133
n-Butyl acrylate
Yes –
interim value
1
5
2
11
sec-Butyl alcohol
Yes – interim value
100
303
100
303
tert-Butyl alcohol
Yes
100
303
20
62
n-Butyl glycidyl ether (BGE)
Yes
25
133
3
16
n-Butyl lactate
No
5
30
5
30
Butylamine
No
5 (peak limitation)
15 (peak limitation)
5 (peak limitation)
15 (peak limitation)
o-sec-Butylphenol
Yes – interim value
5
31
5
31
p-tert-Butyltoluene
Yes – interim value
10
61
1
6.1
γ-Butyrolactone (gamma)
New




Cadmium and compounds (as Cd)
Yes

0.01
1 µg/m3
0.001
Caesium hydroxide
New – interim value

2

2
Calcium carbonate
No

10

10
Calcium cyanamide
Yes

0.5

0.2
Calcium oxide
Yes

2
-
1
Camphor, synthetic
No
2
12
2
12
Caprolactam (dust and vapour) (including e‑Captrolactam)
Yes

Various

5
Captafol
No

0.1

0.1
Captan
Yes – interim value

0.5

5
Carbaryl
Yes

5

0.5
Carbofuran
No
­–
0.1

0.1
Carbon black
No

3

3
Carbon dioxide, including CO2 in coal mines
No
Various
Various
5000
9000
Carbon disulfide
Yes
10
31
1
3.13
Carbon monoxide
Yes
30
34
20
23
Carbon tetrabromide
No
0.1
1.4
0.1
1.4
Carbon tetrachloride

Deferred to Release 5

Carbonyl fluoride
No
2
5.4
2
5.4
Catechol

Deferred to Release 5

Cellulose (paper fibre)
No

10

10
Chlordane
No

0.5

0.5
Chlorinated camphene
No

0.5

0.5
Chlorinated diphenyl oxide
No

0.5

0.5
Chlorine

Deferred to Release 5

Chlorine dioxide
Yes – interim value
0.1
0.28
0.1
(peak limitation)

Chlorine trifluoride
No
0.1
(peak limitation)
0.38
(peak limitation)
0.1
(peak limitation)
0.38
(peak limitation)
1-Chloro-1-nitropropane

Deferred to Release 5

Chloroacetaldehyde
No
1
(peak limitation)
3.2
(peak limitation)
1
(peak limitation)
3.2
(peak limitation)
Chloroacetone
No
1
(peak limitation)
3.8
(peak limitation)
1
(peak limitation)
3.8
(peak limitation)
alpha-Chloroacetophenone
Yes
0.05
0.32
0.02
0.1
Chloroacetyl chloride
No
0.05
0.23
0.05
0.23
Chlorobenzene

Deferred to Release 5

o-Chlorobenzylidene malononitrile

Deferred to Release 5

Chlorobromomethane
No
200
1060
200
1060
Chlorodifluoromethane
No
1000
3540
1000
3540
Chloroform
Yes
2
10
0.5
2.5
bis(Chloromethyl) ether
Yes
0.001
0.005
0.0003 ppb
0.0015 µg/m3
Chloromethyl methyl ether
New




Chloropentafluoroethane
No
1000
6320
1000
6320
Chloropicrin
No
0.1
0.67
0.1
0.67
beta-Chloroprene
Yes
10
36
0.00007
0.27 µg/m3
2-Chloropropionic acid
No
0.1
0.44
0.1
0.44
o-Chlorostyrene
No
50
283
50
283
Chlorosulphonic acid
No
0.209
1
0.209
1
o-Chlorotoluene
Yes
50
259
20
105
Chlorpyrifos

Deferred to Release 5

Chromium (metal),(II),(III)(as Cr)

Deferred to Release 5

Chromium (VI) (as Cr)
Deferred to Release 5
Chrysene
Deferred to Release 13 (see PAH)
Clopidol
New

10

2


For any assistance in providing your comments please contact us at WESconsult@swa.gov.au.

  • Please provide your technical comments on the recommended values for the following chemicals.

    You will be asked two questions and have the option to upload up to two documents with additional information.

    Note: You can only comment on one chemical at a time. After submitting your comment, you can then select another chemical from the drop down list and follow the same process.

    WES review - Release 4 (caprolactam to clopidol) closed on Friday 25 October 2019.
    Share on Facebook Share on Twitter Share on Linkedin Email this link