CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 34482 | LVS EN 16260:2013 | Water quality - Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data | Standarts spēkā |
| 11016 | LVS EN ISO 10301:1997 | Water quality - Determination of highly volatile halogenated hydrocarbons - Gas-chromatographic methods | Standarts spēkā |
| 34758 | LVS EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | 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 |
| 10997 | LVS EN ISO 11905-1:1998 | Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate | Standarts spēkā |
| 34832 | LVS EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Standarts spēkā |
| 36148 | LVS EN 14407:2014 | Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes | Standarts spēkā |
| 68126 | LVS EN ISO 13164-3:2020 | Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013) | Standarts spēkā |
| 11007 | LVS EN 25663:2000 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium | Standarts spēkā |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
Displaying 121-130 of 824 results.