CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11018 | LVS EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | Standarts spēkā |
| 11043 | LVS EN ISO 13395:1996 A | Water quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection | Standarts spēkā |
| 73878 | LVS EN ISO 19040-3:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 3: In vitro human cell-based reporter gene assay (ISO 19040-3:2018) | Standarts spēkā |
| 67629 | LVS EN ISO 9697:2019 | Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018) | Standarts spēkā |
| 11084 | LVS EN ISO 7393-1:2001 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1, 4-phenylenediamine | Standarts spēkā |
| 11065 | LVS EN ISO 14911:2000 | Water quality - Determonation of dissolved Li+, Na+, NH+4, K+, Mn+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water | Standarts spēkā |
| 34751 | LVS EN 16695:2016 | Water quality - Guidance on the estimation of phytoplankton biovolume | Standarts spēkā |
| 75274 | LVS EN ISO 13165-3:2024 | Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-ray spectrometry (ISO 13165-3:2024) | Standarts spēkā |
| 31650 | LVS EN ISO 14403-1:2012 | Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 1: Method using flow injection analysis (FIA) (ISO 14403-1:2012) | Standarts spēkā |
| 40318 | LVS EN 16859:2017 | Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment | Standarts spēkā |
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