The Minister of Health has given notice pursuant to section 55(3) of the Canadian Environmental Protection Act, 1999 of a residential indoor air quality guideline for toluene. The recommended exposure limits can be seen here.
The Guideline was developed under Canada’s Regulatory Framework for Air Emissions, a national plan to develop and implement regulations and other measures to reduce air emissions. Through this process toluene was identified as an indoor air priority pollutant.
For more information see: http://www.gazette.gc.ca/rp-pr/p1/2011/2011-07-30/html/notice-avis-eng.html#d101