Overview

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 22 November 2019 and will close on 20 December 2019.

Chemicals open for comment this release:

Chemical

Revision Proposed?

Current TWA

Recommended TWA

ppm

mg/m3

ppm

mg/m3

Dichloroethyl ether

Yes

5

10 (STEL)

29

58 (STEL)

5

29

Dichlorotetrafluoroethane

No

1,000

6,990

1,000

6,990

Dicrotophos

Deferred to Release 9

Dieldrin

Deferred to Release 9

2-Diethylaminoethanol

Yes – interim

10

48

1

4.8

Diethylene glycol monobutyl ether

Deferred to Release 9

Dimethyl sulphate

Deferred to Release 9

Dimethylamine

Yes

2

6 (STEL)

3.8

11 (STEL)

2

3.8

N,N-Dimethylaniline

Deferred to Release 9

N,N-Dimethylethylamine

Yes

10

15 (STEL)

30

45 (STEL)

2

6

1,1-Dimethylhydrazine

Yes – interim

0.01

0.025

0.01

0.025

Dimethylphthalate

Deferred to Release 9

Di-sec-octyl phthalate

Deferred to Release 9

Disulfoton

Yes

0.1

0.02

2,6-Di-t-butyl-p-cresol

Deferred to Release 9

Diuron

Deferred to Release 9

2,6-Dimethylaniline (DMA)

Deferred to Release 9

Endosulfan

Deferred to Release 9

Enflurane

Yes

0.5

3.8

20

150

Epichlorohydrin

Deferred to Release 9

EPN

Deferred to Release 9

Ethion

Yes

0.4

0.05

Ethanolamine

Deferred to Release 9

2-Ethoxyethyl acetate

Deferred to Release 9

Ethyl acetate

Deferred to Release 9

Ethyl acrylate

Deferred to Release 9

Ethyl alcohol

Yes

1,000

1,880

200

800 (STEL)

380

1500 (STEL)

Ethyl benzene

Deferred to Release 9

Ethyl bromide

Deferred to Release 9

Ethyl butyl ketone

Yes

50

234

50

75 (STEL)

234

350 (STEL)

Ethyl chloride

Deferred to Release 9

Ethyl cyanoacrylate

New

0.2

1 (STEL)

1

(5.1)

Ethyl ether

Deferred to Release 9

Ethyl formate

Deferred to Release 9

Ethyl mercaptan

No

0.5

1.3

0.5

1.3

Ethyl silicate

Yes

10

85

5

44

Ethylamine

Deferred to Release 9

Ethylene

New – interim

Ethylene chlorohydrin

No

1 (Peak Limitation)

3.3 (Peak Limitation)

1 (Peak Limitation)

3.3 (Peak Limitation)

Ethylene dichloride

Deferred to Release 9

Ethylene glycol (particulate and vapour)

Deferred to Release 9

Ethylene glycol dinitrate

Deferred to Release 9

Ethylene thiourea

New

0.02

Ethylenediamine

Deferred to Release 9

Ethylenimine

Deferred to Release 9

2-Ethylhexanoic acid

New

5

Ethylidene norbornene

Deferred to Release 9

N-Ethylmorpholine

Deferred to Release 9

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