CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80903 | prEN ISO 10704 rev | Water quality — Gross alpha and gross beta activity — Test method using thin source deposit | Izstrādē |
| 63235 | prEN ISO 10634 | 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 | Izstrādē |
| 20963 | prEN 27828:1994 rev | Water quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebrates | Izstrādē |
| 11098 | prEN 26461-2:1993 rev | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration | Izstrādē |
| 11097 | prEN 26461-1:1993 rev | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium | Izstrādē |
| 76459 | prEN 18161 | Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment | Aptauja |
| 73271 | prEN 18069 | Water quality - Minimum requirements for the selection, installation, validation, and operation of continuous measuring devices | Aptauja slēgta |
| 40318 | prEN 16859 | Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment | Izstrādē |
| 34747 | prEN 16694 | Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS) | Izstrādē |
| 34748 | prEN 16691 | Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS) | Izstrādē |
Displaying 51-60 of 792 results.