CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 36146 | LVS EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
| 11045 | LVS EN ISO 8689-1:2001 A | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 73093 | EN ISO 10304-4:2022 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022) | 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 |
| 41271 | LVS EN ISO 5667-16:2017 | Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017) | Standarts spēkā |
| 11018 | LVS EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | Standarts spēkā |
| 39697 | EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 73875 | LVS EN ISO 19040-1:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018) | Standarts spēkā |
| 75415 | LVS EN ISO 20596-2:2022 | Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021) | Standarts spēkā |
Displaying 251-260 of 803 results.