CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 31651 | LVS EN ISO 14403-2:2012 | Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA) (ISO 14403-2:2012) | Standarts spēkā |
| 26360 | LVS EN ISO 18857-1:2006 | Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection | Standarts spēkā |
| 29877 | LVS CEN ISO/TR 15462:2010 | Water quality - Selection of tests for biodegradability (ISO/TR 15462:2006) | Standarts spēkā |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
| 31702 | LVS EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) | Standarts spēkā |
| 22919 | LVS EN 1622:2006 | Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN) | Standarts spēkā |
| 36147 | LVS EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Standarts spēkā |
Displaying 591-600 of 801 results.