CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 58435 | LVS EN ISO 15681-2:2019 | Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018) | Standarts spēkā |
| 59003 | LVS EN ISO 5667-6:2017 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Standarts spēkā |
| 34773 | LVS EN ISO 16665:2014 | Water quality - Guidelines for quantitative sampling and sample processing of marine soft-bottom macrofauna (ISO 16665:2014) | Standarts spēkā |
| 33673 | LVS EN ISO 5814:2013 | Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012) | Standarts spēkā |
| 37475 | LVS EN 16493:2014 | Water quality - Nomenclatural requirements for the recording of biodiversity data, taxonomic checklists and keys | Standarts spēkā |
| 34751 | LVS EN 16695:2016 | Water quality - Guidance on the estimation of phytoplankton biovolume | 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 |
| 39032 | LVS EN 14757:2015 | Water quality - Sampling of fish with multi-mesh gillnets | 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 |
Displaying 11-20 of 832 results.