WES review - Release 13 (Peracetic acid and others)

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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 28 February 2020 and will close on 27 March 2020.

Chemicals open for comment this release:

Chemical

CAS number

Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
5-Methylheptan-3-one

541-85-5

No

10

20 (STEL)

53

107 (STEL)

10

20 (STEL)

53

107 (STEL)

Methyl n-butyl ketone
591-78-6

Yes

5

20

5

10 (STEL)

20

40 (STEL)

Monochloroacetic acid

79-11-8

Yes

0.3

1.2

0.5

2.0

o-Methylcyclohexanone

583-60-8

No

50

75 (STEL)

229

344 (STEL)

50

75 (STEL)

229

344 (STEL)

Naled

300-76-5

Yes

3

0.1

Nitrobenzene

98-95-3

No

1

5

1

5

p-Nitrochlorobenzene

100-00-5

No

0.1

0.64

0.1

0.64

Nitrogen dioxide

10102-44-0

Yes

3

5 (STEL)

5.6

9.4 (STEL)

0.2

0.38

5-Nitro-o-toluidine

99-55-8

New

1 mg/m3

Nitrotoluene,
3- and 4- isomers

99-08-1

99-99-0

No

2

11

2

11

Nonane

111-84-2

No

200

1050

200

1050

Octachloronaphthalene

2234-13-1

No – interim

0.1

0.3 (STEL)

0.1

0.3 (STEL)

Octane

111-65-9

No

300

375 (STEL)

1400

1750 (STEL)

300

375 (STEL)

1400

1750 (STEL)

Oil mist, refined mineral

8012-95-1

No – interim

5

5

Osmium tetroxide

20816-12-0

Yes

0.0002

0.0006 (STEL)

0.0016

0.0047 (STEL)

0.0002

0.002

Oxalic acid

144-62-7

No

1

2 (STEL)

1

2 (STEL)

Paraquat

4685-14-7

Yes

0.1

0.05

Pentaerythritol

115-77-5

No

10

10

Pentane (all isomers)

109-66-0

463-82-1

78-78-4

Yes

600

750 (STEL)

1770

2210 (STEL)

1000

3000

2,3-Pentanedione

600-14-6

New

­–

0.02

0.083

Peracetic acid

79-21-0

New

0.4

(Peak limitation)

1.24

(Peak limitation)

Perchloroethylene

127-18-4

Yes

50

150 (STEL)

340

1020 (STEL)

20

40 (STEL)

138

275 (STEL)

Perchloryl fluoride

7616-94-6

Yes

3

6 (STEL)

13

25 (STEL)

3

13

Phenol

108-95-2

No

1

4

1

4

m-Phenylenediamine

108-45-2

No

0.1

0.1

p-Phenylenediamine

106-50-3

No

0.1

0.1

Phenyl isocyanate

103-71-9

New

0.005

0.024

Phenyl mercaptan

108-98-5

Yes

0.5

2.3

0.1

0.45

Phenylhydrazine

100-63-0

No

0.1

0.44

0.1

0.44

Phosphoric acid

7664-38-2

No

1

3(STEL)

1

3 (STEL)

Phosphorus oxychloride

10025-87-3

Yes

0.1

0.63

0.02

0.13

Phosphorus (yellow)

7723-14-0

Yes

0.1

0.01

Phthalic anhydride

85-44-9

Yes

1

6.1

0.002

0.0003

Picric acid

88-89-1

No

0.1

0.1

Polyvinyl chloride

9002-86-2

New

1

Portland cement

65997-15-1

Yes

10

1

Potassium hydroxide

1310-58-3

No

2

(Peak limitation)

2

(Peak limitation)

Propane sultone

1120-71-4

New

No recommendation

No recommendation

Propoxur

114-26-1

No

0.5

0.5

n-Propyl nitrate

627-13-4

Yes

25

40 (STEL)

107

172 (STEL)

25

107

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 28 February 2020 and will close on 27 March 2020.

Chemicals open for comment this release:

Chemical

CAS number

Revision Proposed?
Current TWA
Recommended TWA
ppm
mg/m3
ppm
mg/m3
5-Methylheptan-3-one

541-85-5

No

10

20 (STEL)

53

107 (STEL)

10

20 (STEL)

53

107 (STEL)

Methyl n-butyl ketone
591-78-6

Yes

5

20

5

10 (STEL)

20

40 (STEL)

Monochloroacetic acid

79-11-8

Yes

0.3

1.2

0.5

2.0

o-Methylcyclohexanone

583-60-8

No

50

75 (STEL)

229

344 (STEL)

50

75 (STEL)

229

344 (STEL)

Naled

300-76-5

Yes

3

0.1

Nitrobenzene

98-95-3

No

1

5

1

5

p-Nitrochlorobenzene

100-00-5

No

0.1

0.64

0.1

0.64

Nitrogen dioxide

10102-44-0

Yes

3

5 (STEL)

5.6

9.4 (STEL)

0.2

0.38

5-Nitro-o-toluidine

99-55-8

New

1 mg/m3

Nitrotoluene,
3- and 4- isomers

99-08-1

99-99-0

No

2

11

2

11

Nonane

111-84-2

No

200

1050

200

1050

Octachloronaphthalene

2234-13-1

No – interim

0.1

0.3 (STEL)

0.1

0.3 (STEL)

Octane

111-65-9

No

300

375 (STEL)

1400

1750 (STEL)

300

375 (STEL)

1400

1750 (STEL)

Oil mist, refined mineral

8012-95-1

No – interim

5

5

Osmium tetroxide

20816-12-0

Yes

0.0002

0.0006 (STEL)

0.0016

0.0047 (STEL)

0.0002

0.002

Oxalic acid

144-62-7

No

1

2 (STEL)

1

2 (STEL)

Paraquat

4685-14-7

Yes

0.1

0.05

Pentaerythritol

115-77-5

No

10

10

Pentane (all isomers)

109-66-0

463-82-1

78-78-4

Yes

600

750 (STEL)

1770

2210 (STEL)

1000

3000

2,3-Pentanedione

600-14-6

New

­–

0.02

0.083

Peracetic acid

79-21-0

New

0.4

(Peak limitation)

1.24

(Peak limitation)

Perchloroethylene

127-18-4

Yes

50

150 (STEL)

340

1020 (STEL)

20

40 (STEL)

138

275 (STEL)

Perchloryl fluoride

7616-94-6

Yes

3

6 (STEL)

13

25 (STEL)

3

13

Phenol

108-95-2

No

1

4

1

4

m-Phenylenediamine

108-45-2

No

0.1

0.1

p-Phenylenediamine

106-50-3

No

0.1

0.1

Phenyl isocyanate

103-71-9

New

0.005

0.024

Phenyl mercaptan

108-98-5

Yes

0.5

2.3

0.1

0.45

Phenylhydrazine

100-63-0

No

0.1

0.44

0.1

0.44

Phosphoric acid

7664-38-2

No

1

3(STEL)

1

3 (STEL)

Phosphorus oxychloride

10025-87-3

Yes

0.1

0.63

0.02

0.13

Phosphorus (yellow)

7723-14-0

Yes

0.1

0.01

Phthalic anhydride

85-44-9

Yes

1

6.1

0.002

0.0003

Picric acid

88-89-1

No

0.1

0.1

Polyvinyl chloride

9002-86-2

New

1

Portland cement

65997-15-1

Yes

10

1

Potassium hydroxide

1310-58-3

No

2

(Peak limitation)

2

(Peak limitation)

Propane sultone

1120-71-4

New

No recommendation

No recommendation

Propoxur

114-26-1

No

0.5

0.5

n-Propyl nitrate

627-13-4

Yes

25

40 (STEL)

107

172 (STEL)

25

107

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.

    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.

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