1. There is no practical way to eliminate all moulds and mould spores in the indoor environment; the way to control indoor mould growth is to control moisture.

2. If mould is a problem in your home, office or school, you must clean up the mould and eliminate sources of moisture.

3. Fix the source of the water problem or leak to prevent mould growth.

4. Reduce indoor humidity (to 30-60% ) to decrease mould growth by: venting bathrooms, dryers, and other moisture-generating sources to the outside; using air conditioners and de-humidifiers; increasing ventilation; and using exhaust fans whenever cooking, dishwashing, and cleaning.

5. Clean and dry any damp or wet building materials and furnishings within 24-48 hours to prevent mould growth.

6. Clean mould off hard surfaces with water and detergent, and dry completely. Absorbent materials such as ceiling tiles, that are mouldy, may need to be replaced.

7. Prevent condensation: Reduce the potential for condensation on cold surfaces (i.e., windows, piping, exterior walls, roof, or floors) by adding insulation.

8. In areas where there is a perpetual moisture problem, do not install carpeting (i.e., by drinking fountains, by classroom sinks, or on concrete floors with leaks or frequent condensation).

9. Moulds can be found almost anywhere; they can grow on virtually any substance, providing moisture is present.

10. There are moulds that can grow on wood, paper, carpet, and foods.

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