CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 79409 | LVS EN 13946:2025 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 36146 | LVS EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Atcelts |
| 11059 | LVS EN 13946:2003 | Water quality - Guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers | Atcelts |
| 11054 | LVS EN 13506:2002 | Water quality - Determination of mercury by atomic fluorescence spectrometry | Atcelts |
| 11031 | LVS EN 12918:2001 | Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis | Standarts spēkā |
| 11078 | LVS EN 12780:2007 L | Water quality - Detection and enumeration of Pseudomonas aeruginosa by membrane filtration | Atcelts |
| 11078 | LVS EN 12780:2003 A | Water quality - Detection and enumeration of Pseudomonas aeruginosa by membrane filtration | Atcelts |
| 11018 | LVS EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | Standarts spēkā |
| 11039 | LVS EN 12338:1998 | Water quality - Determination of mercury - Enrichment methods by amalgamation | Atcelts |
| 10960 | LVS EN 1233:1996 | Water quality - Determination of chromium - Atomic absorption spectrometric methods |
Displaying 391-400 of 814 results.