CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 27658 | LVS EN ISO 17852:2008 | Water quality - Determination of mercury - Method using atomic fluorescence spectrometry | Standarts spēkā |
| 24872 | LVS EN 15460:2008 | Water quality - Guidance standard for the surveying of macrophytes in lakes | Standarts spēkā |
| 73873 | LVS EN ISO 20595:2022 | Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018) | Standarts spēkā |
| 26357 | LVS EN ISO 16712:2007 | Water quality - Determination of acute toxicity of marine or estuarine sediment to amphipods | Standarts spēkā |
| 73162 | EN ISO 17294-2:2023 | Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023, Corrected version 2024-02) | Standarts spēkā |
| 79408 | EN ISO 15923-1:2024 | Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013) | Standarts spēkā |
| 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) | |
| 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) | |
| 21813 | LVS EN ISO 15681-1:2004 | Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by flow injection analysis (FIA) (ISO 15681-1:2003) | |
| 78130 | LVS EN 16150:2026 | Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams |
Displaying 821-830 of 839 results.