CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 40318 | LVS EN 16859:2017 | Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment | Standarts spēkā |
| 34748 | LVS EN 16691:2016 | 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) | Standarts spēkā |
| 34746 | LVS EN 16693:2016 | Water quality - Determination of organochlorine pesticides (OCP) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS) | Standarts spēkā |
| 21805 | LVS EN ISO 6878:2004 A | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
| 62576 | LVS EN 17123:2019 | Water quality - Guidance on determining the degree of modification of the hydromorphological features of transitional and coastal waters | Standarts spēkā |
| 64588 | LVS EN ISO 11348-1:2008/A1:2019 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria - Amendment 1 (ISO 11348-1:2007/Amd 1:2018) | Standarts spēkā |
| 63219 | LVS EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019) | Standarts spēkā |
| 60334 | LVS EN ISO 20227:2017 | Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017) | Standarts spēkā |
| 63234 | LVS EN ISO 19340:2018 | Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017) | Standarts spēkā |
Displaying 131-140 of 824 results.