WES review - Release 10 (diesel engine emissions, hydrogen cyanide and others)

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Release 10 closed on Friday 14 February.. 

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 17 January 2020 and will close on 14 February 2020.

Chemicals open for comment this release:

Chemical
CAS number
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Diesel engine emissions

New

Ethyl acetate

141-78-6

No

200

400 (STEL)

720

1440 (STEL)

200

400 (STEL)

720

1440 (STEL)

Ethyl chloride

75-00-3

Yes

1000

2640

100

264

Ethylene dichloride

107-06-2

Yes

10

40

0.7 ppb

3.1 µg/m3

Ferbam

14484-64-1

Yes

10

5

Flour Dust (cereal)

New

0.5

Formamide

75-12-7

No

10

18

10

18

Furfural

98-01-1

Yes

2

7.9

0.2

0.8

Furfuryl alcohol

98-00-0

Yes

10

15 (STEL)

40

60 (STEL)

0.2

0.8

Gallium arsenide

1303-00-0

New

0.3 µg/m3

Germanium tetrahydride

7782-65-2

Yes – interim

0.2

63

0.2

63

Glycidol

556-52-5

Yes – interim

25

76

2

6.1

Hafnium

7440-58-6

No

0.5

0.5

Halothane

151-67-7

Yes – interim

0.5

4.1

0.5

4.1

Hard metals (containing cobalt and
tungsten carbide)

7440-48-4 12070-12-1

New – interim

0.005

Heptachlor

76-44-8

Yes

0.5

0.05

Heptane (n-Heptane)

142-82-5

No

400

500 (STEL)

1640

2050 (STEL)

400

500 (STEL)

1640

2050 (STEL)

Hexachlorobutadiene

87-68-3

No

0.02

0.21

0.02

0.21

Hexachloro-
cyclopentadiene

77-47-4

Yes – interim

0.01

0.11

0.01

0.11

Hexachloroethane

67-72-1

No

1

9.7

1

9.7

Hexachloronaphthalene

1335-87-1

Yes – interim

0.2

0.2

Hexafluoroacetone

684-16-2

Yes – interim

0.1

0.68

0.1

0.68

Hexahydrophthalic anhydride

85-42-7

New

0.005

(Peak Limitation)

Hexane, other isomers

75-83-2

79-29-8 107-83-5

96-14-0

No

500

1000 (STEL)

1760

3500 (STEL)

500

1000 (STEL)

1760

3500 (STEL)

sec-Hexyl acetate

108-84-9

Yes – interim

50

295

50

295

Hexylene glycol

107-41-5

Yes – interim

25

(Peak limitation)

121

(Peak limitation)

25

(Peak limitation)

121

(Peak limitation)

Hydrogen bromide

10035-10-6

Yes – interim

3

(Peak limitation)

9.9

(Peak limitation)

2

(STEL)

6.6

(STEL)

Hydrogen chloride

7647-01-0

Yes

5

(Peak limitation)

7.5

(Peak limitation)

2

(Peak limitation)

2.98

(Peak limitation)

Hydrogen cyanide

74-90-8

Yes

10

(Peak limitation)

11

(Peak limitation)

0.9

4.7 ­– (Peak limitation)

1

5 – (Peak limitation)

Hydrogen fluoride (as F)

7664-39-3

Yes

3

(Peak limitation)

2.6

(Peak limitation)

0.5

2 – (Peak limitation)

0.4

1.6 – (Peak limitation)

Hydrogen peroxide

7722-84-1

Yes

1

1.4

0.5

0.7

Hydrogen selenide (as Se)

7783-07-5

No

0.05

0.16

0.05

0.16

Hydrogen sulfide

7783-06-4

Yes

10

15 (STEL)

14

21 (STEL)

1

5 (STEL)

1.4

7 (STEL)

Hydrogenated terphenyls

37275-59-5

Yes

0.5

4.9

0.5

2 (STEL)

4.9

19 (STEL)

Hydroquinone

123-31-9

Yes – interim

2

2

Hydroxyacetic acid butyl ester

7397-62-8

New

Hydroxypropyl acrylate

25584-83-2

No

0.5

2.8

0.5

2.8

Iodine

7553-56-2

Yes

0.1

(Peak limitation)

1

(Peak limitation)

0.01

0.1 – (Peak limitation)

0.1

1 – (Peak limitation)

Iodoform

75-47-8

Yes – interim

0.6

10

0.6

10

Iron oxide fume and dust (Fe2O3) (Fe)

1309-37-1

Yes -interim

5

5

Iron pentacarbonyl (as Fe)

13463-40-6

Yes

0.1

0.2 (STEL)

0.8

1.6 (STEL)

0.1

0.2 – (Peak limitation)

0.8

1.6 – (Peak limitation)

Isobutyl alcohol

78-83-1

No

50

152

50

152

Isooctyl alcohol

26952-21-6

Yes – interim

50

266

50

266

Isophorone

78-59-1

No

5

(Peak limitation)

28

(Peak limitation)

5

(Peak limitation)

28

(Peak limitation)

Isopropoxyethanol

109-59-1

Yes

25

106

10

43

Isopropyl alcohol

67-63-0

Yes

400

500 (STEL)

983

1230 (STEL)

200

400 (STEL)

491

984 (STEL)

Isopropyl ether

108-20-3

Yes – interim

250

310 (STEL)

1040

1300 (STEL)

250

310 (STEL)

1040

1300 (STEL)

Ketene

463-51-4

Yes – interim

0.5

1.5 (STEL)

0.86

2.6 (STEL)

0.5

1.5 – (Peak limitation)

0.86

2.6 – (Peak limitation)

Lead arsenate
(as Pb3[AsO4]2)

3687-31-8

Yes – removal

0.15

Not recommended

Not recommended

Lead chromate (as Cr)

7758-97-6

Yes

0.05

0.007 µg/m3

Lindane

58-89-9

No

0.008

0.1

0.008

0.1

Lithium hydride

7580-67-8

Yes

0.025

0.02 (STEL)

Magnesite

546-93-0

No


10

10

Magnesium oxide (fume)

1309-48-4

No

10

10

Malathion

121-75-5

Yes

10

1

Manganese cyclopenta-dienyl tricarbonyl (as Mn)

12079-65-1

No

0.1

0.1

Note:
Chemicals scheduled for release not listed above have been deferred to future releases.

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 17 January 2020 and will close on 14 February 2020.

Chemicals open for comment this release:

Chemical
CAS number
Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
Diesel engine emissions

New

Ethyl acetate

141-78-6

No

200

400 (STEL)

720

1440 (STEL)

200

400 (STEL)

720

1440 (STEL)

Ethyl chloride

75-00-3

Yes

1000

2640

100

264

Ethylene dichloride

107-06-2

Yes

10

40

0.7 ppb

3.1 µg/m3

Ferbam

14484-64-1

Yes

10

5

Flour Dust (cereal)

New

0.5

Formamide

75-12-7

No

10

18

10

18

Furfural

98-01-1

Yes

2

7.9

0.2

0.8

Furfuryl alcohol

98-00-0

Yes

10

15 (STEL)

40

60 (STEL)

0.2

0.8

Gallium arsenide

1303-00-0

New

0.3 µg/m3

Germanium tetrahydride

7782-65-2

Yes – interim

0.2

63

0.2

63

Glycidol

556-52-5

Yes – interim

25

76

2

6.1

Hafnium

7440-58-6

No

0.5

0.5

Halothane

151-67-7

Yes – interim

0.5

4.1

0.5

4.1

Hard metals (containing cobalt and
tungsten carbide)

7440-48-4 12070-12-1

New – interim

0.005

Heptachlor

76-44-8

Yes

0.5

0.05

Heptane (n-Heptane)

142-82-5

No

400

500 (STEL)

1640

2050 (STEL)

400

500 (STEL)

1640

2050 (STEL)

Hexachlorobutadiene

87-68-3

No

0.02

0.21

0.02

0.21

Hexachloro-
cyclopentadiene

77-47-4

Yes – interim

0.01

0.11

0.01

0.11

Hexachloroethane

67-72-1

No

1

9.7

1

9.7

Hexachloronaphthalene

1335-87-1

Yes – interim

0.2

0.2

Hexafluoroacetone

684-16-2

Yes – interim

0.1

0.68

0.1

0.68

Hexahydrophthalic anhydride

85-42-7

New

0.005

(Peak Limitation)

Hexane, other isomers

75-83-2

79-29-8 107-83-5

96-14-0

No

500

1000 (STEL)

1760

3500 (STEL)

500

1000 (STEL)

1760

3500 (STEL)

sec-Hexyl acetate

108-84-9

Yes – interim

50

295

50

295

Hexylene glycol

107-41-5

Yes – interim

25

(Peak limitation)

121

(Peak limitation)

25

(Peak limitation)

121

(Peak limitation)

Hydrogen bromide

10035-10-6

Yes – interim

3

(Peak limitation)

9.9

(Peak limitation)

2

(STEL)

6.6

(STEL)

Hydrogen chloride

7647-01-0

Yes

5

(Peak limitation)

7.5

(Peak limitation)

2

(Peak limitation)

2.98

(Peak limitation)

Hydrogen cyanide

74-90-8

Yes

10

(Peak limitation)

11

(Peak limitation)

0.9

4.7 ­– (Peak limitation)

1

5 – (Peak limitation)

Hydrogen fluoride (as F)

7664-39-3

Yes

3

(Peak limitation)

2.6

(Peak limitation)

0.5

2 – (Peak limitation)

0.4

1.6 – (Peak limitation)

Hydrogen peroxide

7722-84-1

Yes

1

1.4

0.5

0.7

Hydrogen selenide (as Se)

7783-07-5

No

0.05

0.16

0.05

0.16

Hydrogen sulfide

7783-06-4

Yes

10

15 (STEL)

14

21 (STEL)

1

5 (STEL)

1.4

7 (STEL)

Hydrogenated terphenyls

37275-59-5

Yes

0.5

4.9

0.5

2 (STEL)

4.9

19 (STEL)

Hydroquinone

123-31-9

Yes – interim

2

2

Hydroxyacetic acid butyl ester

7397-62-8

New

Hydroxypropyl acrylate

25584-83-2

No

0.5

2.8

0.5

2.8

Iodine

7553-56-2

Yes

0.1

(Peak limitation)

1

(Peak limitation)

0.01

0.1 – (Peak limitation)

0.1

1 – (Peak limitation)

Iodoform

75-47-8

Yes – interim

0.6

10

0.6

10

Iron oxide fume and dust (Fe2O3) (Fe)

1309-37-1

Yes -interim

5

5

Iron pentacarbonyl (as Fe)

13463-40-6

Yes

0.1

0.2 (STEL)

0.8

1.6 (STEL)

0.1

0.2 – (Peak limitation)

0.8

1.6 – (Peak limitation)

Isobutyl alcohol

78-83-1

No

50

152

50

152

Isooctyl alcohol

26952-21-6

Yes – interim

50

266

50

266

Isophorone

78-59-1

No

5

(Peak limitation)

28

(Peak limitation)

5

(Peak limitation)

28

(Peak limitation)

Isopropoxyethanol

109-59-1

Yes

25

106

10

43

Isopropyl alcohol

67-63-0

Yes

400

500 (STEL)

983

1230 (STEL)

200

400 (STEL)

491

984 (STEL)

Isopropyl ether

108-20-3

Yes – interim

250

310 (STEL)

1040

1300 (STEL)

250

310 (STEL)

1040

1300 (STEL)

Ketene

463-51-4

Yes – interim

0.5

1.5 (STEL)

0.86

2.6 (STEL)

0.5

1.5 – (Peak limitation)

0.86

2.6 – (Peak limitation)

Lead arsenate
(as Pb3[AsO4]2)

3687-31-8

Yes – removal

0.15

Not recommended

Not recommended

Lead chromate (as Cr)

7758-97-6

Yes

0.05

0.007 µg/m3

Lindane

58-89-9

No

0.008

0.1

0.008

0.1

Lithium hydride

7580-67-8

Yes

0.025

0.02 (STEL)

Magnesite

546-93-0

No


10

10

Magnesium oxide (fume)

1309-48-4

No

10

10

Malathion

121-75-5

Yes

10

1

Manganese cyclopenta-dienyl tricarbonyl (as Mn)

12079-65-1

No

0.1

0.1

Note:
Chemicals scheduled for release not listed above have been deferred to future releases.

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.

    Release 10 closed on Friday 14 February.. 
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