What does LEED mean?

Leadership in Energy and Environmental Design, or LEED, is a building certification process developed by the U.S. Green Building Council (USGBC), a non-profit organization (not a government agency) headquartered in Washington, D.C. The USGBC developed the LEED certification process to enhance environmental awareness among architects and building contractors, and to encourage the design and construction …

LEED Requirements

LEED Testing Requirements Methods for the Determination of Air Pollutants in Indoor Air,” and as additionally detailed in the USGBC’s “LEED-NC: Reference Guide.” Demonstrate that the contaminant maximum concentrations listed below are not exceeded: Formaldehyde: 50 ppb. Particulates (PM 10): 50 micrograms/cu. m. Total Volatile Organic Compounds (TVOC): 500 micrograms/cu. m. 4-Phenylcyclohexene (4-PH): 6.5 micrograms/cu. …