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Canadian Environmental Sustainability Indicators: Socio-economic Information: Socio-economic information - Notes

1Drainage areas are natural geographic units defined by the boundaries between river systems. For details on the drainage area framework, please see Data quality, concepts and methodology — Major drainage area and sub-drainage area geography.
2Statistics Canada, 2004, Canada e-book, www.statcan.ca/bsolc/english/bsolc?catno=11-404-X (accessed August 30, 2006).
3OECD, 2006, “ How does Canada compare,”  OECD Health Data 2006, www.oecd.org/dataoecd/19/13/36956887.pdf (accessed August 4, 2006).
4Includes only those establishments that derive their primary revenue from transportation activities. This combines the 1997 North American Industry Classification (NAICS) codes 481 to 488. 
5Environment Canada, 2005, Technical Supplement: Carbon dioxide emissions from fossil fuel use, Canada (1958-95), www.ec.gc.ca/soer-ree/English/Indicators/Issues/Climate/Tech_Sup/ccsup01_e.cfm (accessed August 28, 2006).
6Environment Canada, 2006, Fossil Fuels, www.ec.gc.ca/cleanair-airpur/Fuels-WS0E66B313-1_En.htm (accessed September 20, 2006).
7Light vehicles are those vehicles weighing less than 4.5 tonnes. 
8Environment Canada, 2001, Threats to Sources of Drinking Water and Aquatic Ecosystem Health in Canada, NWRI Scientific Assessment Report Series, No. 1, Burlington, Ontario: National Water Research Institute.