CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73199 | LVS EN ISO 5667-3:2024 | Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2024) | Standarts spēkā |
| 67629 | LVS EN ISO 9697:2019 | Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018) | Standarts spēkā |
| 61597 | LVS EN ISO 9308-1:2014/A1:2017 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014/Amd 1:2016) | Standarts spēkā |
| 61308 | LVS EN ISO 7704:2023 | Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023) | Standarts spēkā |
| 68134 | LVS EN ISO 13164-2:2020 | Water quality - Radon-222 - Part 2: Test method using gamma-ray spectrometry (ISO 13164-2:2013) | Standarts spēkā |
| 31702 | LVS EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) | Standarts spēkā |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
| 33760 | LVS EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | 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 |
| 63239 | LVS EN ISO 21253-2:2020 | Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019) | Standarts spēkā |
Displaying 281-290 of 832 results.