Shanghai Indoor Air Quality Testing Center Test Index Limit Standard

Standard limit value of pollutant concentration: Radon (Bq/m3) ≤200 ≤400 formaldehyde (mg/m3) ≤0.08 ≤0. 10 benzene (mg/m3) ≤0.09 ≤0.09 ammonia (mg/m3) ≤ 0.2 ≤ 0.5 TVOC.

Class II buildings: office buildings, shops, hotels, cultural and entertainment places, bookstores, libraries, exhibition halls, gymnasiums, public transport places, restaurants, etc.