ISO/TC 146/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 14995 | ISO 7996:1985 | Ambient air — Determination of the mass concentration of nitrogen oxides — Chemiluminescence method | Standarts spēkā |
| 13262 | ISO 6768:1998 | Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess-Saltzman method | Standarts spēkā |
| 13261 | ISO 6768:1985 | Ambient air — Determination of the mass concentration of nitrogen dioxide — Modified Griess-Saltzman method | Atcelts |
| 13260 | ISO 6767:1990 | Ambient air — Determination of the mass concentration of sulfur dioxide — Tetrachloromercurate (TCM)/pararosaniline method | Standarts spēkā |
| 32229 | ISO 4224:2000 | Ambient air — Determination of carbon monoxide — Non-dispersive infrared spectrometric method | Standarts spēkā |
| 10015 | ISO 4221:1980 | Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method | Standarts spēkā |
| 10014 | ISO 4220:1983 | Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection | Standarts spēkā |
| 10013 | ISO 4219:1979 | Air quality — Determination of gaseous sulphur compounds in ambient air — Sampling equipment | Standarts spēkā |
| 75571 | ISO 23431:2021 | Measurement of road tunnel air quality | Standarts spēkā |
| 62502 | ISO 22262-3:2016 | Air quality — Bulk materials — Part 3: Quantitative determination of asbestos by X-ray diffraction method | Standarts spēkā |
Displaying 21-30 of 49 results.