Title: Quality IEQ Practices… “An Ounce of Prevention Is Worth A Pound of Cure”
Course: WGF 106 DEVELOPMENT > Section: Content

Image | Mold Condition Found… Mold Condition Corrected!
Content | IAQ conditions depend upon the design, construction, maintenance, and operation of a building and on the outdoor environmental conditions. People and their activities also affect IAQ conditions. Indoor pollutant concentrations depend primarily on outdoor concentrations, on the rates of pollutant emissions from various indoor sources, and on the rates at which pollutants are removed from indoors by ventilation with outdoor air, filtration, and natural processes such as pollutant deposition from air onto surfaces. Examples of indoor pollutant sources include building materials, furnishings, equipment, cleaning and pest control products, pets, molds, bacteria, and people and their activities such as tobacco smoking and cooking. The main factors affecting indoor thermal comfort are indoor air temperatures, the temperatures of exterior walls and windows, humidity, and the amount of indoor air motion. Thermal comfort is also affected by the activity level and by clothing of the occupants. Individual thermal comfort preferences vary. The design of the building's envelope, the design and operation of the building's heating and air conditioning systems, and the outdoor temperature and humidity are key determinants of thermal comfort. Indoor lighting and acoustic conditions similarly depend on multiple features of the building and on occupant activities
Attributions | Images courtesy of Environmental Protection Agency Content courtesy of Lawrence Berkeley National Laboratory