http://www.acgih.org – American Conference of Governmental Industrial Hygienists (ACGIH)

http://www.indoor-air-quality.org – American Indoor Air Quality Council

http://www.aiha.org – American Industrial Hygiene Association (AIHA)

http://www.ashrae.org – American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

http://www.gbreb.com/boma – Building Owners and Managers Association (BOMA)

http://www.epa.gov/iaq/largebldgs/i-beam_html/glossary.htm – Glossary of IAQ terms

http://www.hvacmall.com – HVAC industry resources

http://jcaho.org – Joint Commission on Accreditation of Healthcare Organizations (JCAHO)

http://nadca.com – National Air Duct Cleaners Association (NADCA)

http://www.naiop.org – National Association of Industrial and Office Properties

http://www.osha.gov – Occupational Safety and Health Administration (OSHA)

http://www.nfpa.org – National Fire Protection Association (NFPA)

http://www.cdc.gov – U.S. Centers for Disease Control and Prevention (CDC)

http://www.epa.gov – U.S. Environmental Protection Agency (EPA)

http://www.usgbc.org – U.S. Green Building Council (USGBC)