CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 59145 | LVS EN ISO 9696:2018 | Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017) | Standarts spēkā |
| 23844 | LVS EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Standarts spēkā |
| 32516 | LVS EN 15708:2010 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Standarts spēkā |
| 29874 | LVS EN ISO 11885:2009 | Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007) | Standarts spēkā |
| 22918 | LVS EN 872:2005 A | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Standarts spēkā |
| 39697 | EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 67705 | EN ISO 22017:2020 | Water quality - Guidance for rapid radioactivity measurements in nuclear or radiological emergency situation (ISO 22017:2020) | Standarts spēkā |
| 33760 | LVS EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Standarts spēkā |
| 68134 | LVS EN ISO 13164-2:2020 | Water quality - Radon-222 - Part 2: Test method using gamma-ray spectrometry (ISO 13164-2:2013) | Standarts spēkā |
| 61308 | LVS EN ISO 7704:2023 | Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023) | Standarts spēkā |
Displaying 741-750 of 814 results.