WES review - Release 6 (o-Dichlorobenzene to 1,4-dioxane)

Release 6 closed on Friday 22 November 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 25 October 2019 and will close on 22 November 2019.

Chemicals open for comment this release:

Chemical
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Chlorpyrifos

Yes


0.2

0.007

0.1

Cobalt (metal and inorganic)

Yes

–

0.05

–

0.02

Cobalt compounds (carbonyl and hydrocarbonyl)

No

–

0.1

–

0.1

Cresol (all isomers)

No

5

22

5

22

Crotonaldehyde

Yes

2

–

5.7

–

–

0.05 (peak)

–

0.14 (peak)

Crufomate

No

–

5

–

5

Cumene

Yes

25

75 (STEL)

125

375 (STEL)

0.1

–

0.5

–

Cyanogen

Yes

10

–

21

–

–

5 (peak)

–

10.6 (peak)

Cyclohexane

Yes

100

300 (STEL)

350

1,050 (STEL)

100

–

350

–

Cyclohexanol

No

50

206

50

206

Cyclohexene

No

300

1,010

300

1,010

Cyclopentadiene

No

75

203

75

203

Cyclopentane

No

600

1,720

600

1,720

Cyhexatin

Deferred to Release 7

2,4-Dichlorophenoxyacetic acid (2,4-D)

Deferred to Release 7

Dichlorodiphenyl-trichloroethane (DDT)

Deferred to Release 7

Diacetone alcohol

Deferred to Release 7

Diacetyl

Deferred to Release 7

Diazinon

Yes

–

0.1

–

0.01

Diazomethane

Yes

0.2

0.34

0.002

0.0034

Diborane

Yes

0.1

0.11

0.01

0.01

1,2-Dibromo ethane

Yes

–

–

0.00002

0.0001

Dibutyl phenyl phosphate

No

0.3

3.5

0.3

3.5

Dibutyl phosphate

Deferred to Release 7

2-N-Dibutylaminoethanol

Yes

2

14

0.5

3.5

1,1-Dichloro-1-nitroethane

No

2

12

2

12

1,4-Dichloro-2-butene

Deferred to Release 7

1,3-Dichloro-5,5-dimethyl hydantoin

No

–

–

0.2

0.4

–

–

0.2

0.4

Dichloroacetic acid

Deferred to Release 7

Dichloroacetylene

No

–

0.1 (peak)

–

0.39 (peak)

–

0.1 (peak)

–

0.39 (peak)

o-Dichlorobenzene

No

25

50 (STEL)

150

301 (STEL)

25

50 (STEL)

150

301 (STEL)

p-Dichlorobenzene

Yes

25

50 (STEL)

150

300 (STEL)

2

10 (STEL)

12

60 (STEL)

3,3'-Dichlorobenzidine

Yes

–

–

0.0001

0.0012

Dichlorodifluoromethane

Deferred to Release 7

1,1-Dichloroethane

Deferred to Release 7

Dichloroethyl ether

Deferred to Release 7

1,2-Dichloroethylene

No

200

793

200

793

Dichlorofluoromethane

Deferred to Release 7

Dichloropropene

Deferred to Release 7

2,2-Dichloropropionic acid

No

1

5.8

1

5.8

Dichlorotetrafluoroethane

Deferred to Release 7

Dichlorvos

Yes

0.1

0.9

0.01

0.1

Dicrotophos

Deferred to Release 7

Dicyclopentadiene

Yes

5

27

0.5

2.7

Dicyclopentadienyl iron

Deferred to Release 7

Dieldrin

Deferred to Release 7

Diesel engine emissions

Deferred to Release 7

Diethanolamine

Deferred to Release 7

Diethyl ketone

Deferred to Release 7

Diethyl phthalate

Deferred to Release 7

Diethyl sulfate

Deferred to Release 7

Diethylamine

Deferred to Release 7

2-Diethylaminoethanol

Deferred to Release 7

Diethylene glycol monobutyl ether

Deferred to Release 7

Diethylene triamine

Deferred to Release 7

Difluorodibromomethane

Deferred to Release 7

Diglycidyl ether (DGE)

Deferred to Release 7

Diglycidyl resorcinol ether

Deferred to Release 7

Diisobutyl ketone

Deferred to Release 7

Diisopropylamine

Deferred to Release 7

Dimethyl acetamide

Deferred to Release 7

Dimethyl carbomoyl chloride

Deferred to Release 7

Dimethyl ether

Deferred to Release 7

Dimethyl sulfide

Deferred to Release 7

Dimethyl sulphate

Deferred to Release 7

Dimethylamine

Deferred to Release 7

Dimethylaminoethanol

Deferred to Release 7

N,N-Dimethylaniline

Deferred to Release 7

N,N-Dimethylethylamine

Deferred to Release 7

Dimethylformamide

Deferred to Release 7

1,1-Dimethylhydrazine

Deferred to Release 7

Dimethylphthalate

Deferred to Release 7

Dimethylsulfamoyl chloride

Deferred to Release 7

Dinitolmide

Deferred to Release 7

Dinitrobenzene (m-, o-, p- isomers)

Deferred to Release 7

Dinitro-o-cresol

Deferred to Release 7

Dinitrotoluene

Deferred to Release 7

1,4-Dioxane

Deferred to Release 7


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 25 October 2019 and will close on 22 November 2019.

Chemicals open for comment this release:

Chemical
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Chlorpyrifos

Yes


0.2

0.007

0.1

Cobalt (metal and inorganic)

Yes

–

0.05

–

0.02

Cobalt compounds (carbonyl and hydrocarbonyl)

No

–

0.1

–

0.1

Cresol (all isomers)

No

5

22

5

22

Crotonaldehyde

Yes

2

–

5.7

–

–

0.05 (peak)

–

0.14 (peak)

Crufomate

No

–

5

–

5

Cumene

Yes

25

75 (STEL)

125

375 (STEL)

0.1

–

0.5

–

Cyanogen

Yes

10

–

21

–

–

5 (peak)

–

10.6 (peak)

Cyclohexane

Yes

100

300 (STEL)

350

1,050 (STEL)

100

–

350

–

Cyclohexanol

No

50

206

50

206

Cyclohexene

No

300

1,010

300

1,010

Cyclopentadiene

No

75

203

75

203

Cyclopentane

No

600

1,720

600

1,720

Cyhexatin

Deferred to Release 7

2,4-Dichlorophenoxyacetic acid (2,4-D)

Deferred to Release 7

Dichlorodiphenyl-trichloroethane (DDT)

Deferred to Release 7

Diacetone alcohol

Deferred to Release 7

Diacetyl

Deferred to Release 7

Diazinon

Yes

–

0.1

–

0.01

Diazomethane

Yes

0.2

0.34

0.002

0.0034

Diborane

Yes

0.1

0.11

0.01

0.01

1,2-Dibromo ethane

Yes

–

–

0.00002

0.0001

Dibutyl phenyl phosphate

No

0.3

3.5

0.3

3.5

Dibutyl phosphate

Deferred to Release 7

2-N-Dibutylaminoethanol

Yes

2

14

0.5

3.5

1,1-Dichloro-1-nitroethane

No

2

12

2

12

1,4-Dichloro-2-butene

Deferred to Release 7

1,3-Dichloro-5,5-dimethyl hydantoin

No

–

–

0.2

0.4

–

–

0.2

0.4

Dichloroacetic acid

Deferred to Release 7

Dichloroacetylene

No

–

0.1 (peak)

–

0.39 (peak)

–

0.1 (peak)

–

0.39 (peak)

o-Dichlorobenzene

No

25

50 (STEL)

150

301 (STEL)

25

50 (STEL)

150

301 (STEL)

p-Dichlorobenzene

Yes

25

50 (STEL)

150

300 (STEL)

2

10 (STEL)

12

60 (STEL)

3,3'-Dichlorobenzidine

Yes

–

–

0.0001

0.0012

Dichlorodifluoromethane

Deferred to Release 7

1,1-Dichloroethane

Deferred to Release 7

Dichloroethyl ether

Deferred to Release 7

1,2-Dichloroethylene

No

200

793

200

793

Dichlorofluoromethane

Deferred to Release 7

Dichloropropene

Deferred to Release 7

2,2-Dichloropropionic acid

No

1

5.8

1

5.8

Dichlorotetrafluoroethane

Deferred to Release 7

Dichlorvos

Yes

0.1

0.9

0.01

0.1

Dicrotophos

Deferred to Release 7

Dicyclopentadiene

Yes

5

27

0.5

2.7

Dicyclopentadienyl iron

Deferred to Release 7

Dieldrin

Deferred to Release 7

Diesel engine emissions

Deferred to Release 7

Diethanolamine

Deferred to Release 7

Diethyl ketone

Deferred to Release 7

Diethyl phthalate

Deferred to Release 7

Diethyl sulfate

Deferred to Release 7

Diethylamine

Deferred to Release 7

2-Diethylaminoethanol

Deferred to Release 7

Diethylene glycol monobutyl ether

Deferred to Release 7

Diethylene triamine

Deferred to Release 7

Difluorodibromomethane

Deferred to Release 7

Diglycidyl ether (DGE)

Deferred to Release 7

Diglycidyl resorcinol ether

Deferred to Release 7

Diisobutyl ketone

Deferred to Release 7

Diisopropylamine

Deferred to Release 7

Dimethyl acetamide

Deferred to Release 7

Dimethyl carbomoyl chloride

Deferred to Release 7

Dimethyl ether

Deferred to Release 7

Dimethyl sulfide

Deferred to Release 7

Dimethyl sulphate

Deferred to Release 7

Dimethylamine

Deferred to Release 7

Dimethylaminoethanol

Deferred to Release 7

N,N-Dimethylaniline

Deferred to Release 7

N,N-Dimethylethylamine

Deferred to Release 7

Dimethylformamide

Deferred to Release 7

1,1-Dimethylhydrazine

Deferred to Release 7

Dimethylphthalate

Deferred to Release 7

Dimethylsulfamoyl chloride

Deferred to Release 7

Dinitolmide

Deferred to Release 7

Dinitrobenzene (m-, o-, p- isomers)

Deferred to Release 7

Dinitro-o-cresol

Deferred to Release 7

Dinitrotoluene

Deferred to Release 7

1,4-Dioxane

Deferred to Release 7


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

  • WES review - Release 6 (o-Dichlorobenzene to 1,4-dioxane)

    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.

    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.

    Release 6 closed on Friday 22 November 2019.