According to the EPA indoor air is considered to be one of the top five hazards to human health.
Studies found that levels of several Volatile Organic Compounds average 2 to 5 times higher indoors than outdoors.
Volatile organic compounds (VOCs) are gases that are emitted from certain solids or liquids. VOCs include a variety of chemicals, some of which have adverse health effects. VOCs are emitted by a wide array of products including: paints, lacquers, cleaning supplies, paint strippers, correction fluids, carbonless copy paper, graphics and craft materials, glues and adhesives, permanent markers, photographic solutions, pesticides, building materials and furnishings and office equipment such as copiers and printers