The mission of the Environmental Protection Agency is to protect human health and the environment. Since 1970, EPA has been working for a cleaner, healthier environment for the American people. http://www.epa.gov

IESO is a non-profit organization that provides a national forum for the development and publication of voluntary consensus standards for the assessment of indoor environments. Its mission is to be the foremost developer and provider of voluntary consensus indoor environmental quality standards, related technical information, and services having recognized quality and applicability that promote public health and safety, and the overall quality of life. http://www.iestandards.org