CategoriesLinks | BC government article describes combustion by-products, where they come from and what effect they have on health and indoor air quality. |
 www.bchealthguide.org/healthfiles/hfile65c.stm| BC government article about air pollution and particulate matter. Describes why it is a health risk and how to reduce exposure. |
www.bchealthguide.org/healthfiles/hfile35.stm | |
