CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 76485 | prEN ISO 16094-3 | Water quality - Analysis of microplastic in water - Part 3: Thermo-analytical methods for waters with low content of suspended solids including drinking water (ISO/DIS 16094-3:2024) | Aptauja slēgta |
| 78130 | prEN 16150 | Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams | Aptauja |
| 77982 | prEN ISO 13647 | Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO/DIS 13647:2025) | Aptauja |
| 76459 | prEN 18161 | Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment | Aptauja |
| 11054 | LVS EN 13506:2002 | Water quality - Determination of mercury by atomic fluorescence spectrometry | Atcelts |
| 10984 | LVS EN 27027:1994 | Water quality - Determination of turbidity (ISO 7027:1990) | Atcelts |
| 11085 | LVS EN ISO 7393-2:2001 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N, N-diethyl-1, 4-phenylenediamine for routine control purposes | Atcelts |
| 11012 | LVS EN 872:1996 | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Atcelts |
| 22921 | LVS EN 1483:2007 | Water quality - Determination of mercury - Method using atomic absorption spectrometry | Atcelts |
| 11003 | LVS EN ISO 11348-1:2001 | 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 | Atcelts |
Displaying 281-290 of 792 results.