GB/T 50378-2019 第5.1.1条
| | The concentrations of pollutants in indoor air, such as ammonia, formaldehyde, benzene, total volatile organic compounds (TVOC), and radon, shall comply with the current national standard GB/T 18883 "Indoor Air Quality Standard". Hotel guest rooms and public areas shall be ensured to meet the standard through fresh air systems or purification equipment. |