ISO/TC 146/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 18359 | ISO 10313:1993 | Ambient air — Determination of the mass concentration of ozone — Chemiluminescence method | Standarts spēkā |
| 75571 | ISO 23431:2021 | Measurement of road tunnel air quality | Standarts spēkā |
| 87237 | ISO 10313:1993/Amd 1:2024 | Ambient air — Determination of the mass concentration of ozone — Chemiluminescence method — Amendment 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air) | Standarts spēkā |
| 87236 | ISO 13964:1998/Amd 1:2024 | Air quality — Determination of ozone in ambient air — Ultraviolet photometric method — Amendment 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air) | Standarts spēkā |
| 10013 | ISO 4219:1979 | Air quality — Determination of gaseous sulphur compounds in ambient air — Sampling equipment | Standarts spēkā |
| 75583 | ISO 14966:2019 | Ambient air — Determination of numerical concentration of inorganic fibrous particles — Scanning electron microscopy method | Standarts spēkā |
| 17715 | ISO 9835:1993 | Ambient air — Determination of a black smoke index | Standarts spēkā |
| 17734 | ISO 9855:1993 | Ambient air — Determination of the particulate lead content of aerosols collected on filters — Atomic absorption spectrometric method | Standarts spēkā |
| 15276 | ISO 8186:1989 | Ambient air — Determination of the mass concentration of carbon monoxide — Gas chromatographic method | Standarts spēkā |
| 10015 | ISO 4221:1980 | Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method | Standarts spēkā |
Displaying 11-20 of 49 results.