Aluminum Wiring:
http://www.faqs.org/faqs/electrical-wiring/part2/section-16.html
Zonolite - Vermiculite Insulation:
http://www.iaq-investigations.ca/pol-asbestos-zonolite.html

Septic Systems:
http://www.livingbywater.ca/septic.html

Foundations:
http://abalonwpg.ca/foundation.htm

Edmonton City Furnace Rebate Program
http://www.co2re.ca/