CEN/TC 264
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 27825 | LVS EN 16339:2013 | Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling | Standarts spēkā |
| 71428 | LVS EN 16339:2025 | Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling | |
| 29137 | LVS EN 16413:2014 | Ambient air - Biomonitoring with lichens - Assessing epiphytic lichen diversity | Standarts spēkā |
| 29138 | LVS EN 16414:2014 | Ambient air - Biomonitoring with mosses - Accumulation of atmospheric contaminants in mosses collected in situ: from the collection to the preparation of samples | Standarts spēkā |
| 68788 | LVS EN 16429:2021 | Stationary source emissions - Reference method for the determination of the concentration of gaseous hydrogen chloride (HCl) in waste gases emitted by industrial installations into the atmosphere | Standarts spēkā |
| 39906 | LVS EN 16450:2017 | Ambient air - Automated measuring systems for the measurement of the concentration of particulate matter (PM10; PM2,5) | Standarts spēkā |
| 29135 | LVS EN 16789:2016 | Ambient air - Biomonitoring with Higher Plants - Method of the standardized tobacco exposure | Standarts spēkā |
| 27463 | LVS EN 16841-1:2017 | Ambient air - Determination of odour in ambient air by using field inspection - Part 1: Grid method | Standarts spēkā |
| 36894 | LVS EN 16841-2:2017 | Ambient air - Determination of odour in ambient air by using field inspection - Part 2: Plume method | Standarts spēkā |
| 62260 | LVS EN 16868:2019 | Ambient air - Sampling and analysis of airborne pollen grains and fungal spores for networks related to allergy - Volumetric Hirst method | Standarts spēkā |
Displaying 351-360 of 450 results.