According to an article by USG (a producer and distributor of construction materials) called the VOC Emissions Certificate of Compliance, the test used to determine paint VOCs (EPA’s Method 24) only applies to the manufacturing process and the paint while it’s in its liquid state and thus has no relationship to the outgassing that occurs while the paint is drying. According to the EPA, VOCs “include a variety of chemicals, some of which may have short- and long-term adverse health effects.” We discovered the reality is that a paint’s “low-” or “zero-” VOC designation actually has nothing to do with indoor air quality. Many are manmade, and they are common in the manufacturing of paint, among other things. VOCs, or “volatile organic compounds,” are materials with a high vapor pressure (they evaporate easily at room temperature) and low water solubility.
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