CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 34758 | LVS EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | Standarts spēkā |
| 10976 | LVS EN ISO 9887:2000 | Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge method | Standarts spēkā |
| 39328 | LVS EN ISO 9308-2:2014 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012) | Standarts spēkā |
| 11037 | LVS EN ISO 7346-2:2000 | Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static method | Standarts spēkā |
| 10983 | LVS EN 27888:1993 | Water quality - Determination of electrical conductivity | Standarts spēkā |
| 34832 | LVS EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Standarts spēkā |
| 67529 | LVS EN ISO 22515:2021 | Water quality - Iron-55 - Test method using liquid scintillation counting (ISO 22515:2021) | Standarts spēkā |
| 21715 | LVS EN ISO 15913:2003 | Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization | Standarts spēkā |
| 11067 | LVS EN ISO 15061:2002 | Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions | Standarts spēkā |
Displaying 181-190 of 813 results.