CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 20965 | LVS EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms | Standarts spēkā |
| 20964 | EN ISO 10253:2006 | Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:2006) | Atcelts |
| 20964 | LVS EN ISO 10253:2006 | Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum | Atcelts |
| 20963 | prEN 27828:1994 rev | Water quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebrates | Izstrādē |
| 20590 | - | Water quality - Guidance standard for the routine sampling of benthic algae in fast flowing, shallow waters | Izstrādē |
| 20546 | LVS EN ISO 10705-2:2002 | Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages | Standarts spēkā |
| 20546 | EN ISO 10705-2:2001 | Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages (ISO 10705-2:2000) | Izstrādē |
| 20545 | LVS EN ISO 10705-1:2002 | Water quality - Detection and enumeration of bacteriophages - Part 1: Enumeration of F-specific RNA bacteriophages | Standarts spēkā |
| 20545 | EN ISO 10705-1:2001 | Water quality - Detection and enumeration of bacteriophages - Part 1: Enumeration of F-specific RNA bacteriophages (ISO 10705-1:1995) | Izstrādē |
| 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 |
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