What is formaldehyde?
Formaldehyde is a chemical widely used in industrial processes, including manufacture of building materials and household products. It is one of the VOCs, or volatile organic compounds, that turn into gas, or vaporize, at normal room temperatures.
Why is it a problem?
Formaldehyde isn't good for humans. At low levels, above about 0.1 parts per million, it causes a range of symptoms that include allergic reactions; watery eyes; burning in the eyes, nose, and throat; skin rashes; coughing and chest tightness; and nausea. At high levels, formaldehyde has caused cancer in laboratory animals.
Where does formaldehyde come from in my home?
Because formaldehyde is widely used in manufacturing, it comes from a large variety of sources, including:
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The adhesive used in pressed wood like particleboard, fiberboard, and plywood
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Preservatives in cosmetics, paints, and coatings
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Permanent-press fabrics
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Paper product finishes
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Some insulation materials, including fiberglass and urea-formaldehyde foam
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Burning wood, natural gas, or kerosene
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Car engines
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Cigarettes
Learn more about formaldehyde at the EPA's website.
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