Two of three California homes had excessive formaldehyde levels
http://content.usatoday.com/communities/greenhouse/post/2009/12/two-of-three-california-homes-had-excessive-formaldehyde-levels/1
"Two-thirds of single-family homes built in California in recent years had substandard indoor air quality and excessive formaldehyde levels, partly because residents didn't open their windows for ventilation, according to a new state report."
http://content.usatoday.com/communities/greenhouse/post/2009/12/two-of-three-california-homes-had-excessive-formaldehyde-levels/1
"Two-thirds of single-family homes built in California in recent years had substandard indoor air quality and excessive formaldehyde levels, partly because residents didn't open their windows for ventilation, according to a new state report."
