Environmental
Formaldehyde off-gassing from building materials in a NC home is primarily a concern in:
AOlder homes built before 1940
BNewer homes or recently renovated homes with composite wood products and insulation containing urea-formaldehyde✓ Correct
CHomes in flood zones
DBrick exterior homes only
Explanation
Formaldehyde is found in composite wood products (plywood, particleboard, MDF) and some insulation. Newer construction or recent renovations using these materials may have elevated formaldehyde levels.
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