CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 77973 | prEN ISO 9308-4 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria (ISO/DIS 9308-4:2025) | Aptauja slēgta |
| 80233 | prEN ISO 9308-2 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO/DIS 9308-2:2026) | Aptauja slēgta |
| 82645 | prEN ISO 13169 | Water quality - Uranium - Test method using alpha liquid scintillation counting (ISO/DIS 13169:2025) | Aptauja slēgta |
| 82229 | prEN 16039 | Water quality - Guidance standard on assessing the hydromorphological features of lakes | Aptauja slēgta |
| 41270 | LVS EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017) | Standarts spēkā |
| 33488 | LVS CEN/TR 16151:2011 | Water quality - Guidance on the design of Multimetric Indices | Standarts spēkā |
| 29946 | LVS EN ISO 7887:2012 | Water quality - Examination and determination of colour (ISO 7887:2011) | Standarts spēkā |
| 78130 | LVS EN 16150:2026 | Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams | Standarts spēkā |
| 32125 | LVS EN 15972:2012 | Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton | Standarts spēkā |
| 29875 | LVS EN ISO 21427-2:2009 | Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006) | Standarts spēkā |
Displaying 501-510 of 841 results.