Environmental

What is formaldehyde and why is it an indoor air quality concern in Nevada homes?

AA desert plant that causes allergies in Nevada residents
BA volatile organic compound off-gassed from building materials (plywood, carpets, adhesives) that can cause respiratory irritation and is classified as a carcinogen✓ Correct
CA chemical used in Nevada's water treatment
DA product of Nevada's desert heat that forms only in summer

Explanation

Formaldehyde is a VOC found in many building materials (composite wood products, carpets, paints) that off-gasses into indoor air. It is classified as a human carcinogen. In Nevada's hot climate, elevated temperatures accelerate off-gassing. New construction and recently renovated homes are of particular concern.

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