ISO/TC 146/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 75576 | ISO 13794:2019 | Ambient air — Determination of asbestos fibres — Indirect-transfer transmission electron microscopy method | Standarts spēkā |
| 75583 | ISO 14966:2019 | Ambient air — Determination of numerical concentration of inorganic fibrous particles — Scanning electron microscopy method | Standarts spēkā |
| 87842 | ISO 22262-2:2026 | Air quality — Bulk materials — Part 2: Quantitative determination of asbestos by gravimetric and microscopical methods | Standarts spēkā |
| 17715 | ISO 9835:1993 | Ambient air — Determination of a black smoke index | Standarts spēkā |
| 13261 | ISO 6768:1985 | Ambient air — Determination of the mass concentration of nitrogen dioxide — Modified Griess-Saltzman method | Atcelts |
| 56773 | ISO 22262-2:2014 | Air quality — Bulk materials — Part 2: Quantitative determination of asbestos by gravimetric and microscopical methods | Atcelts |
| 22933 | ISO 13794:1999 | Ambient air — Determination of asbestos fibres — Indirect-transfer transmission electron microscopy method | Atcelts |
| 75571 | ISO 23431:2021 | Measurement of road tunnel air quality | Atcelts |
| 37510 | ISO 15337:2009 | Ambient air — Gas phase titration — Calibration of analysers for ozone | Atcelts |
| 17734 | ISO 9855:1993 | Ambient air — Determination of the particulate lead content of aerosols collected on filters — Atomic absorption spectrometric method | Atcelts |
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