CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10958 | LVS EN 25813:2000 | Water quality - Determination og dissolved oxygen - Iodometric method | Standarts spēkā |
| 10981 | LVS EN 25667-2:1993 | Water quality - Sampling - Part 2: Guidance on sampling techniques (ISO 5667-2:1991) | Atcelts |
| 10980 | LVS EN 25667-1:1993 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes | Atcelts |
| 11007 | LVS EN 25663:2000 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium | Standarts spēkā |
| 11051 | LVS EN 1899-2:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples (ISO 5815:1989, modified) | |
| 10995 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) | |
| 73269 | LVS EN 17899:2024 | Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality | Standarts spēkā |
| 72997 | LVS EN 17892:2024 | Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS) | Standarts spēkā |
| 72999 | LVS EN 17805:2023 | Water quality - Sampling, capture and preservation of environmental DNA from water | Standarts spēkā |
| 60432 | LVS EN 17233:2021 | Water quality - Guidance for assessing the efficiency and related metrics of fish passage solutions using telemetry | Standarts spēkā |
Displaying 331-340 of 803 results.