CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 22918 | LVS EN 872:2005 A | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Standarts spēkā |
| 23844 | LVS EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Standarts spēkā |
| 59145 | LVS EN ISO 9696:2018 | Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017) | Standarts spēkā |
| 74054 | LVS EN ISO 13164-4:2023 | Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023) | Standarts spēkā |
| 63552 | LVS EN ISO 9698:2019 | Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019) | Standarts spēkā |
| 76508 | LVS EN ISO 10253:2024 | Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2024) | Standarts spēkā |
| 62629 | LVS EN ISO 10634:2019 | Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634: 2018) | Standarts spēkā |
| 41075 | EN ISO 17943:2016 | Water quality - Determination of volatile organic compounds in water - Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO/DIS 17943:2014) | Standarts spēkā |
| 28036 | LVS EN ISO 23631:2006 /AC:2007 | Water quality - Determination of dalapon, trichloroacetic acid and selected haloacetic acids - Method using gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid extraction and derivatization | Standarts spēkā |
| 30865 | EN ISO 11348-1:2008 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria (ISO 11348-1:2007) | Standarts spēkā |
Displaying 691-700 of 841 results.