CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 26423 | LVS EN ISO 20079:2007 | Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test | 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 |
| 11113 | LVS EN ISO 11733:2004 | Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test | Standarts spēkā |
| 11121 | LVS EN 14962:2006 | Water quality - Guidance on the scope and selection of fish sampling methods | Standarts spēkā |
| 24309 | LVS EN 15196:2006 | Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment | Standarts spēkā |
| 68126 | LVS EN ISO 13164-3:2020 | Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013) | Standarts spēkā |
| 23981 | LVS EN 14996:2006 | Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment | Standarts spēkā |
| 34748 | LVS EN 16691:2016 | Water quality - Determination of selected polycyclic aromatic hydrocarbons (PAH) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS) | Standarts spēkā |
| 40318 | LVS EN 16859:2017 | Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment | Standarts spēkā |
| 33488 | LVS CEN/TR 16151:2011 | Water quality - Guidance on the design of Multimetric Indices | Standarts spēkā |
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