Some experts certainly think so, while others feel that environmentalists are overreacting.
At the time, many people didn't even know what a VOC was. Formaldehyde is probably the most common VOC that is found in houses. Other VOCs include things like gasoline, benzene, alcohol, toluene, and xylene. Many have names that are difficult to pronounce, like methylcyclopentane. There are actually several hundred different VOCs that have been identified in the air inside houses.