ISO/TC 146/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 13262 | ISO 6768:1998 | Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess-Saltzman method | Standarts spēkā |
| 23528 | ISO 13964:1998 | Air quality — Determination of ozone in ambient air — Ultraviolet photometric method | Standarts spēkā |
| 10015 | ISO 4221:1980 | Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method | Standarts spēkā |
| 26111 | ISO 14965:2000 | Air quality — Determination of total non-methane organic compounds — Cryogenic preconcentration and direct flame ionization detection method | Standarts spēkā |
| 75571 | ISO 23431:2021 | Measurement of road tunnel air quality | Atcelts |
| 13261 | ISO 6768:1985 | Ambient air — Determination of the mass concentration of nitrogen dioxide — Modified Griess-Saltzman method | Atcelts |
| 46438 | ISO 14966:2002/Cor 1:2007 | Ambient air — Determination of numerical concentration of inorganic fibrous particles — Scanning electron microscopy method — Technical Corrigendum 1 | Atcelts |
| 18358 | ISO 10312:1995 | Ambient air — Determination of asbestos fibres — Direct transfer transmission electron microscopy method | Atcelts |
| 56773 | ISO 22262-2:2014 | Air quality — Bulk materials — Part 2: Quantitative determination of asbestos by gravimetric and microscopical methods | Atcelts |
| 37510 | ISO 15337:2009 | Ambient air — Gas phase titration — Calibration of analysers for ozone | Atcelts |
Displaying 21-30 of 51 results.