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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Build Environ. 2016 Nov 25;114:178–186. doi: 10.1016/j.buildenv.2016.11.041

Table 1.

Credit adoption rates for select optional IEQ credits in 5,490 LEED New Construction 2009 certified buildings (USGBC, 2016).

Credit % Adoption
EQc2: Increased ventilation 40.9%
EQc4.1: Low-emitting materials - adhesives and sealants 86.5%
EQc4.2: Low-emitting materials - paints and coatings 94.4%
EQc4.3: Low-emitting materials - flooring systems 79.1%
EQc4.4: Low-emitting materials - composite wood and agrifiber products 58.6%
EQc5: Indoor chemical and pollutant source control 40.7%
EQc6.1: Controllability of systems – lighting 66.4%
EQc6.2: Controllability of systems - thermal comfort 39.1%
EQc7.1: Thermal comfort – design 79.4%
EQc7.2: Thermal comfort – verification 59.2%
EQc8.1: Daylight and views – daylight 19.5%
EQc8.2: Daylight and views – views 38.3%