CEN/TC 264
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 39908 | LVS EN 16909:2017 | Ambient air - Measurement of elemental carbon (EC) and organic carbon (OC) collected on filters | Standarts spēkā |
| 39907 | LVS EN 16913:2017 | Ambient air - Standard method for measurement of NO₃ˉ, SO₄²ˉ, Cl¯, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters | Standarts spēkā |
| 70010 | LVS EN 16976:2024 | Ambient air - Determination of the particle number concentration of atmospheric aerosol | Standarts spēkā |
| 25764 | LVS EN 17255-1:2019 | Stationary source emissions - Data acquisition and handling systems - Part 1: Specification of requirements for the handling and reporting of data | Standarts spēkā |
| 65028 | LVS EN 17255-2:2020 | Stationary source emissions - Data acquisition and handling systems - Part 2: Specification of requirements on data acquisition and handling systems | Standarts spēkā |
| 65029 | LVS EN 17255-3:2022 | Stationary source emissions - Data acquisition and handling systems - Part 3: Specification of requirements for the performance test of data acquisition and handling systems | Standarts spēkā |
| 71740 | LVS EN 17255-4:2023 | Stationary source emissions - Data acquisition and handling systems - Part 4: Specification of requirements for the installation and on-going quality assurance and quality control of data acquisition and handling systems | Standarts spēkā |
| 33383 | LVS EN 17346:2020 | Ambient air - Standard method for the determination of the concentration of ammonia using diffusive samplers | Standarts spēkā |
| 67664 | LVS EN 17359:2020 | Stationary source emissions - Bioaerosols and biological agents - Sampling of bioaerosols and collection in liquids - Impingement method | Standarts spēkā |
| 61688 | LVS EN 17389:2020 | Stationary source emissions - Quality assurance and quality control procedures for automated dust arrestment plant monitors | Standarts spēkā |
Displaying 361-370 of 450 results.