CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11126 | LVS EN ISO 9308-3:1998 A/AC:2003 A | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium | Standarts spēkā |
| 35339 | LVS EN ISO 10523:2012 | Water quality - Determination of pH (ISO 10523:2008) | Standarts spēkā |
| 30872 | LVS EN ISO 15088:2009 | Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007) | Standarts spēkā |
| 30869 | LVS EN ISO 11348-3:2009 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007) | Standarts spēkā |
| 41078 | LVS EN ISO 18635:2016 | Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter - Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) (ISO 18635:2016) | Standarts spēkā |
| 11058 | LVS EN ISO 8689-2:2001 A | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 11035 | LVS EN ISO 7899-2:2001 A | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method | Standarts spēkā |
| 59275 | LVS EN ISO 14189:2016 | Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013) | Standarts spēkā |
| 76867 | LVS EN ISO 23196:2023 | Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022) | Standarts spēkā |
| 26355 | LVS EN ISO 15839:2006 | Water quality - On-line sensors/analysing equipment for water - Specifications and performance tests | Standarts spēkā |
Displaying 591-600 of 839 results.