How do VOCs get into indoor air?
Products containing VOCs can release these chemicals when they are used and when they are stored. Many times you’ll notice an odor when using these products. Product labels often list VOC ingredients and recommend that they should be used in well ventilated areas. Ventilation means bringing in fresh, outdoor air to mix with indoor air. When you use a product containing VOCs indoors, the levels of these chemicals in the air increase, then decrease over time after you stop using them. The amount of time the chemical stays in the air depends on how quickly fresh air enters the room and the amount of the chemical used. Levels of VOCs will decrease faster if you open windows or doors, or use exhaust fans. Building materials and furnishings, such as new carpets or furniture, slowly release VOCs over time. It may be necessary to ventilate areas with new carpeting or furniture for longer time periods because VOC levels can build up again after the windows are closed. If possible, unroll new ca