CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11045 | EN ISO 8689-1:2000 | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-1:2000) | Izstrādē |
| 11043 | EN ISO 13395:1996 | Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996) | Izstrādē |
| 11077 | EN ISO 9377-2:2000 | Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography (ISO 9377-2:2000) | Izstrādē |
| 11090 | EN ISO 15587-2:2002 | Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002) | Izstrādē |
| 22442 | prEN ISO 19250 | Water quality - Determination of Salmonella species (ISO/DIS 19250:2003) | Izstrādē |
| 27362 | prEN 15708 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Izstrādē |
| 80200 | prEN ISO 9697 | Water quality - Gross beta activity - Test method using thick source (ISO/DIS 9697:2025) | Izstrādē |
| 62650 | prEN 15843 rev | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Izstrādē |
| 40875 | EN ISO 8199:2018 | Water quality - General requirements and guidance for microbiological examinations by culture (ISO/DIS 8199:2017) | Izstrādē |
| 63239 | EN ISO 21253-2:2019 | Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO/DIS 21253-2:2018) | Izstrādē |
Displaying 251-260 of 841 results.