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Schools and Mold and Indoor Air Quality Common Moisture Sources Found in Schools

Moisture problems in school buildings can be caused by a variety of conditions, including roof and plumbing leaks, condensation, and excess humidity. Some moisture problems in schools have been linked to changes in building

construction practices during the past twenty to thirty years. These changes have resulted in more tightly sealed buildings that may not allow moisture to escape easily. Moisture problems in schools are also associated with delayed

maintenance or insufficient maintenance, due to budget and other constraints. Temporary structures in schools, such as trailers and portable classrooms, have frequently been associated with moisture and mold problems.

Suggestions for Reducing Mold Growth in Schools

Reduce Indoor Humidity

Vent showers and other moisture-generating sources to the outside. Control humidity levels and dampness by using air conditioners and de-humidifiers.

Provide adequate ventilation to maintain indoor humidity levels between 30-60%.

Use exhaust fans whenever cooking, dishwashing, and cleaning in food service areas.

Inspect the building for signs of mold, moisture, leaks, or spills

Check for moldy odors.

Look for water stains or discoloration on the ceiling, walls, floors, and window sills.

Look around and under sinks for standing water, water stains, or mold. Inspect bathrooms for standing water, water stains, or mold. Do not let water stand in air conditioning or refrigerator drip pans.

Respond promptly when you see signs of moisture and/or mold, or when leaks or spills occur

Clean and dry any damp or wet building materials and furnishings within 24-48 hours of occurrence to prevent mold growth.

Fix the source of the water problem or leak to prevent mold growth. Clean mold off hard surfaces with water and detergent, and dry completely.

Absorbent materials such as ceiling tiles, that are moldy, may need to be replaced.

Check the mechanical room and roof for unsanitary conditions, leaks, or spills.

EPA - U.S. Environmental Protection Agency Mold Resources

http://www.epa.gov/mold/moldresources.html#Schools