Regulation - LGIC

2011 Consultation on the proposal to adopt new or revised occupational exposure limits or listings for hazardous chemical substances

Regulation Number(s):
Ontario Regulation 833
Instrument Type:
Regulation - LGIC
Bill or Act:
The Occupational Health and Safety Act
Summary of Decision:
Changes to the occupational exposure limits (OELs) in Regulation 833 and O. Reg 490/09 have been made by O.Reg. 149/12 and O. Reg. 148/12.

The proposals included in the Ministry's 2010 and 2011 consultation documents have been adopted other than the Ministry's proposal for the substance hydrogen sulfide which remains under review.

In addition to the changes to the OELs noted above, a few administrative/technical housekeeping changes have also been made:

-A correction in the temperature units from Celsius to Fahrenheit in one of the listings for Stoddard Solvent.

-The adoption of the asbestos fibre criteria for measurement set by ACGIH.

-Reinstatement of the Provincial Physician's powers to designate other physicians to retain certain records in O. Reg. 490/09 which were removed in error.

The changes to Regulation 833 and O. Reg. 490/09 will take effect January 1, 2013, with the exception of the reinstatement of the Provincial Physician's designation powers, which came into force on filing.
Further Information:
Proposal Number:
Posting Date:
December 14, 2011
Summary of Proposal:
Consultation on the proposal to adopt new occupational exposure limits (OELs) or listings for hazardous chemical substances in Ontario.

Notice to Consultation Participants

Submissions and comments provided to the Ministry of Labour are part of a public consultation process to solicit views on a proposal to revise occupational exposure limits and listings chemical substances in Regulation 833. This process may involve the Ministry disclosing submissions, comments or summaries of them, to other parties during and after the public consultation period. However, personal information in the Ministry's possession, such a names and contract details, will not be disclosed except as required by law.

If you, as an individual, want to make a submission to provide comments and you do not want your name and personal information to be made public, you should not include your name or other information by which you could be identified in the main body of the submission. As well, you should not include the names of other individuals or any other information from which other individuals could be identified. By submitting your comments you are consenting to the use of your information, which may include personal information, by the Ministry Labour.

If you have any questions regarding freedom of information or privacy matters, you can contact the Ministry's Freedom of Information and Privacy Office at 416-326-7786.
Contact Address:
OEL Update Project:
Ontario Ministry of Labour
12th Floor - 400 University Avenue
Toronto, Ontario
M7A 1T7
Effective Date:
January 1, 2013