CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 34757 | LVS EN 16698:2016 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Standarts spēkā |
| 73093 | LVS 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 |
| 39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 63239 | LVS EN ISO 21253-2:2020 | Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019) | Standarts spēkā |
| 29876 | LVS EN ISO 23913:2009 | Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006) | Standarts spēkā |
| 29873 | LVS EN ISO 10304-1:2009 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007) | Standarts spēkā |
| 11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
| 36146 | LVS EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 26359 | LVS EN ISO 18412:2006 | Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated water | Standarts spēkā |
| 72995 | LVS EN ISO 10872:2021 | Water and soil quality - Determination of the toxic effect of sediment and soil samples on growth, fertility and reproduction of Caenorhabditis elegans (Nematoda) (ISO 10872:2020) | Standarts spēkā |
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