CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10953 | LVS EN 26777:1993 | Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) | |
| 37476 | LVS EN 16503:2014 | Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal waters | Standarts spēkā |
| 21712 | LVS EN ISO 23631:2006 | Water quality - Determination of dalapon, trichloroacetic acid and selected haloacetic acids - Method using gas chromatography (GC- ECD and/or GC-MS detection) after liquid- liquid extraction and derivatization | Standarts spēkā |
| 32800 | LVS EN 16101:2013 | Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment | Standarts spēkā |
| 62648 | EN 14614:2020 | Water quality - Guidance standard for assessing the hydromorphological features of rivers | Standarts spēkā |
| 24739 | LVS EN ISO 19493:2007 | Water quality - Guidance on marine biological surveys of hard- substrate communities | Standarts spēkā |
| 11061 | LVS EN ISO 15680:2004 | Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption | Standarts spēkā |
| 21805 | LVS EN ISO 6878:2004 A | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
| 10955 | LVS EN 903:2001 | Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBAS | Standarts spēkā |
| 21718 | LVS EN ISO 17495:2003 | Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection | Standarts spēkā |
Displaying 11-20 of 814 results.