2. This standard was drafted by the joint drafting group of Indoor Air Quality Standard of Ministry of Health and State Environmental Protection Administration.
3. The main drafting units of this standard are: Institute of Environmental and Health-related Product Safety of China Center for Disease Control and Prevention, Institute of Environmental Standards of china environmental science Research Institute, Institute of Radiation Protection and Safety of China Center for Disease Control and Prevention, Peking University Institute of Environment, School of Environmental Science and Engineering of Nankai University, Beijing Institute of Labor Protection, School of Architecture of Tsinghua University, Research Center of Ecological Environment of Chinese Academy of Sciences, and Institute of Environmental Engineering of China Institute of Building Materials.