Toxic Mold: How to Avoid It

May 9 -- The following tips for preventing and cleaning mold at home come from the Environmental Protection Agency:

To Prevent Mold:

Moisture control is the key to mold control, so when water leaks or spills occur indoors — act quickly. If wet or damp materials or areas are dried 24 hours to 48 hours after a leak or spill happens, in most cases mold will not grow.

Clean and repair roof gutters regularly.

Make sure the ground slopes away from the building foundation, so that water does not enter or collect around the foundation.

Keep air conditioning drip pans clean and the drain lines unobstructed and flowing properly.

Keep indoor humidity low. If possible, keep indoor humidity below 60 percent (ideally between 30 percent and 50 percent) relative humidity. Relative humidity can be measured with a moisture or humidity meter, a small, inexpensive ($10 to $50) instrument available at many hardware stores.

Vent appliances that produce moisture, such as clothes dryers, stoves, and kerosene heaters to the outside where possible. (Combustion appliances such as stoves and kerosene heaters produce water vapor and will increase the humidity unless vented to the outside.)

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Use air conditioners and/or dehumidifiers when needed.

Run the bathroom fan or open the window when showering. Use exhaust fans or open windows whenever cooking, running the dishwasher or dishwashing, etc.

If you see condensation or moisture collecting on windows, walls or pipes act quickly to dry the wet surface and reduce the moisture/water source. Condensation can be a sign of high humidity.

To Clean Up Mold:

Scrub mold off hard surfaces with detergent and water, and dry completely. Fix plumbing leaks and other water problems as soon as possible. Dry all items completely.

Absorbent or porous materials, such as ceiling tiles and carpet, may have to be thrown away if they become moldy. Mold can grow on or fill in the empty spaces and crevices of porous materials, so the mold may be difficult or impossible to remove completely.