CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 30623 | LVS EN ISO 5667-23:2011 | Water quality - Sampling - Part 23: Guidance on passive sampling in surface waters (ISO 5667-23:2011) | 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 |
| 41271 | LVS EN ISO 5667-16:2017 | Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017) | 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 |
| 34757 | LVS EN 16698:2016 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Standarts spēkā |
| 11086 | LVS EN ISO 7393-3:2001 | Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine | Standarts spēkā |
| 11048 | LVS EN ISO 11734:1998 | Water quality - Evalution of the "ultimate" anaerobic biodegrability of organic compounds in digested sludge - Method by measurement of the biogas production | Standarts spēkā |
Displaying 191-200 of 824 results.