These sorts of chemical gases come from objects in our home like new furniture, paint, particle board, and cleaning products. To get an idea of how long it takes for VOCs to exhaust themselves, the researchers tested in homes that were built or remodeled one year ago, two years ago, and so on. Here’s what they found:
This data suggests it takes about two years for formaldehyde to off gas from new furniture and remodeling materials.
To read the full research article, click here: https://pubmed.ncbi.nlm.nih.gov/19220507/