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Prevention Manual
The Prevention Manual contains WorkSafeBC policy with respect to matters under Part 3 (Occupational Health and Safety) of the Workers Compensation Act (“the Act”) and the Occupational Health and Safety Regulation. The Act requires WorkSafeBC and the Workers’ Compensation Appeal Tribunal to apply these policies when making decisions.
The Prevention Manual is provided here in Adobe Acrobat portable document format (PDF). The PDF files reflect the current manual, and include the most recent update issued April 2012.
The Workers Compensation Act, Occupational
Health and Safety Regulation and associated Guidelines are also available
online.
2012 New or Revised ACGIH Threshold Limit Values
This notice is to advise stakeholders that the American Conference of Governmental Industrial Hygienists (ACGIH) has published the 2012 new or revised Threshold Limit Values (TLVs). The following substances have been added to the Table of Occupational Exposure Limits for Excluded Substances in Prevention Policy R5.48-1:
| Allyl bromide | Ethyl formate |
| Carbonyl sulfide | Nonane |
| Diacetyl | o-Phthalodinitrile |
Two other substances, nitrogen dioxide, and piperazine and salts, are already listed in the Table in Policy.
Each year, the ACGIH publishes a list of substances for which they have set new or revised TLVs. A TLV is an exposure limit that is the suggested maximum allowed airborne concentration for a particular substance where nearly all workers are believed to experience no adverse health effects over a working lifetime. TLVs may be an 8-hour time weighted average, short-term exposure limit or ceiling limit.
Prior to the adoption of the new or revised ACGIH TLVs that are published each year, WorkSafeBC reviews and stakeholders are consulted on potential implementation issues. WorkSafeBC's Board of Directors (BOD) then decides which of the new or revised ACGIH TLVs are to be adopted as BC OELs. The existing OELs for these substances continue to be in effect until the BOD makes the decision to adopt the ACGIH TLVs as BC OELs.
In order to retain the existing BC OELs, the substances are added to the Table of Occupational Exposure Limits for Excluded Substances in Prevention Policy R5.48-1. Once the BOD approves the adoption of the ACGIH TLVs as BC OELs, the substances are removed from the Table of Occupational Exposure Limits for Excluded Substances, and the ACGIH TLVs then apply.
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| Summary of Amendments (April 2012) (Includes all individual replacement pages for your manual update. Please note: blank pages have been included for double-sided printing.) |
164kb
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| Prevention Manual |
934kb
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| Previous amendments | |||
| Archived Policy Manuals | |||
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