CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11125 | LVS EN ISO 7899-1:1998 A /AC:2002 | Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium | Standarts spēkā |
| 20546 | LVS EN ISO 10705-2:2002 | Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages | Standarts spēkā |
| 11102 | LVS EN ISO 15682:2002 | Water quality - Determination of chloride by flow analysis (CFA and FIA) and photometric or potentiometric detection | 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 |
| 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 |
| 39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 34757 | LVS EN 16698:2016 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Standarts spēkā |
| 40119 | LVS EN 16772:2016 | Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of rivers | Standarts spēkā |
| 41270 | LVS EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017) | Standarts spēkā |
| 11090 | LVS EN ISO 15587-2:2002 A | Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion | Standarts spēkā |
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