CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 36148 | LVS EN 14407:2014 | Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes | Standarts spēkā |
| 26359 | LVS EN ISO 18412:2006 | Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated water | Standarts spēkā |
| 37215 | LVS EN ISO 10710:2013 | Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010) | Standarts spēkā |
| 11046 | LVS EN ISO 9308-3:1998 A | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most probable number) by inoculation in liquid medium | Standarts spēkā |
| 62648 | EN 14614:2020 | Water quality - Guidance standard for assessing the hydromorphological features of rivers | Standarts spēkā |
| 39822 | LVS EN ISO 13843:2017 | Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017) | Standarts spēkā |
| 26355 | LVS EN ISO 15839:2006 | Water quality - On-line sensors/analysing equipment for water - Specifications and performance tests | Standarts spēkā |
| 10993 | LVS EN ISO 9963-1:1995 A | Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity | Standarts spēkā |
| 73269 | EN 17899:2024 | Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality | Standarts spēkā |
| 67705 | EN ISO 22017:2020 | Water quality - Guidance for rapid radioactivity measurements in nuclear or radiological emergency situation (ISO 22017:2020) | Standarts spēkā |
Displaying 251-260 of 813 results.