CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 32263 | EN 16039:2011 | Water quality - Guidance standard on assessing the hydromorphological features of lakes | Izstrādē |
| 10993 | EN ISO 9963-1:1995 | Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity (ISO 9963-1:1994) | Izstrādē |
| 80906 | prEN ISO 22125-1 rev | Water quality — Technetium-99 — Part 1: Test method using liquid scintillation counting | Izstrādē |
| 34595 | EN ISO 6341:2012 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:2012) | Izstrādē |
| 34757 | EN 16698:2015 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Izstrādē |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 32516 | EN 15708:2009 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Izstrādē |
| 36146 | EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 31651 | EN ISO 14403-2:2012 | Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA) (ISO 14403-2:2012) | Izstrādē |
| 31650 | EN ISO 14403-1:2012 | Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 1: Method using flow injection analysis (FIA) (ISO 14403-1:2012) | Izstrādē |
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