CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10963 | ISO 5666-2 | Water quality - Determination of total mercury by flameless atomic absorption spectrometry - Part 2: Method after pretreatment with ultraviolet radiation (ISO 5666-2:1983) | Izstrādē |
| 73649 | EN ISO 16266-2:2021 | Water quality - Detection and enumeration of Pseudomonas aeruginosa - Part 2: Most probable number method (ISO 16266-2:2018) | Izstrādē |
| 62648 | EN 14614:2020 | Water quality - Guidance standard for assessing the hydromorphological features of rivers | Izstrādē |
| 35083 | EN ISO 10304-1:2009/AC:2012 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate - Technical Corrigendum 1 (ISO 10304-1:2007/Cor 1:2010) | Izstrādē |
| 34832 | EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Izstrādē |
| 11036 | EN ISO 7346-1:1997 | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 1: Static method (ISO 7346-1:1996) | Izstrādē |
| 11050 | EN ISO 10707:1997 | Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994) | Izstrādē |
| 11007 | EN 25663:1993 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984) | Izstrādē |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 34758 | EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | Izstrādē |
Displaying 121-130 of 841 results.