CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 40119 | LVS EN 16772:2016 | Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of rivers | Standarts spēkā |
| 34757 | LVS EN 16698:2016 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Standarts spēkā |
| 39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 29873 | LVS EN ISO 10304-1:2009 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007) | Standarts spēkā |
| 11066 | LVS EN 14011:2003 | Water quality - Sampling of fish with electricity | Standarts spēkā |
| 11045 | LVS EN ISO 8689-1:2001 A | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 11018 | LVS EN 12673:1998 | Water quality - Gas chromatographic determination of some selected chlorophenols in water | Standarts spēkā |
| 11043 | LVS EN ISO 13395:1996 A | Water quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection | Standarts spēkā |
| 11065 | LVS EN ISO 14911:2000 | Water quality - Determonation of dissolved Li+, Na+, NH+4, K+, Mn+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water | Standarts spēkā |
| 11069 | LVS EN ISO 9408:2000 | Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium by determination of oxygen demand in a closed respirometer | Standarts spēkā |
Displaying 531-540 of 824 results.