CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 29875 | LVS EN ISO 21427-2:2009 | Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006) | Standarts spēkā |
| 32125 | LVS EN 15972:2012 | Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton | Standarts spēkā |
| 11050 | LVS EN ISO 10707:1997 | Water quality - Evalution in an aquenous medium of the ultimate aerobic biodegrability of organic compounds - Method by analysis of biochemical oxygen demand | Standarts spēkā |
| 79410 | EN 15843:2025 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
| 29946 | LVS EN ISO 7887:2012 | Water quality - Examination and determination of colour (ISO 7887:2011) | Standarts spēkā |
| 33488 | LVS CEN/TR 16151:2011 | Water quality - Guidance on the design of Multimetric Indices | 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 |
| 40119 | LVS EN 16772:2016 | Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of rivers | Standarts spēkā |
| 34595 | LVS EN ISO 6341:2013 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:2012) | Standarts spēkā |
| 11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
Displaying 181-190 of 831 results.