| ICS | Field |
|---|---|
| 13.040.01 | Air quality in general |
| 13.040.20 |
Ambient atmospheres Including indoor air |
| 13.040.30 |
Workplace atmospheres Air quality of surgery rooms, see 11.080.01 |
| 13.040.35 | Cleanrooms and associated controlled environments |
| 13.040.40 | Stationary source emissions |
| 13.040.50 | Transport exhaust emissions |
| 13.040.99 | Other standards related to air quality |