CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81464 | prEN ISO 16712 rev | Water quality — Determination of acute toxicity of marine or estuarine sediment to amphipods | Izstrādē |
| 20546 | EN ISO 10705-2:2001 | Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages (ISO 10705-2:2000) | Izstrādē |
| 75403 | prEN ISO 7014 | Water analysis | 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 |
| 80902 | prEN ISO 13164-2 rev | Water quality — Radon-222 — Part 2: Test method using gamma-ray spectrometry | Izstrādē |
| 34758 | EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | Izstrādē |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 35039 | prEN ISO 8689-1 rev | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Izstrādē |
| 71704 | EN ISO 5667-6:2016/A11:2020 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Izstrādē |
| 62443 | EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | Izstrādē |
Displaying 51-60 of 801 results.