T/XJX 004-2021 Indoor air quality evaluation standards for public places
T/XJX 004-2021 Indoor air quality evaluation standards for public places
Basic Information
Scope
Scope: This standard specifies the indoor air quality requirements, air quality monitoring technical specifications, and air quality evaluation for commercial venues with legal person status, crowd gathering venues, office spaces, and the operating venues of building operators. This standard applies to public places such as hotels, inns, public baths, hair salons, beauty salons, cinemas, video arcades, game arcades, dance halls, concert halls, stadiums (arenas), swimming pools (halls), exhibition halls, museums, art galleries, libraries, shopping malls (stores), bookstores, waiting rooms, waiting areas for trains/airplanes/ships, and public transportation vehicles. Other public places may also refer to and use this standard for reference. Main technical content: To prevent and control indoor air pollution in various public places and protect people's health, the indoor air quality evaluation standards for public places are divided into four grades, and the actual quality of indoor air is clarified through grading to meet people's health needs for the environment.