CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11044 | LVS EN ISO 5667-16:1998 | Water quality - Sampling - Part 16: Guidance on biotesting of samples | Atcelts |
| 11000 | LVS EN 1622:2000 | Water quality - Determination of the thershold odour number (TON) and treshold flavour number (TFN) | Atcelts |
| 10982 | EN ISO 7887:1994 | Water quality - Examination and determination of colour (ISO 7887:1994) | Atcelts |
| 10978 | EN 28265:1994 | Water quality - Design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters (ISO 8265:1988) | Atcelts |
| 10977 | EN 27828:1994 | Water quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebrates (ISO 7828:1985) | Atcelts |
| 11009 | LVS EN ISO 9509:2003 | Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water | Atcelts |
| 10988 | EN ISO 10634:1995 | Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:1995) | Atcelts |
| 62443 | EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | 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 |
| 63237 | EN ISO 5815-1:2019 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019) | Izstrādē |
Displaying 491-500 of 813 results.