CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 25492 | LVS EN ISO 8192:2007 | Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation | Standarts spēkā |
| 11008 | LVS EN ISO 8192:1995 | Water quality - Test for the inhibition of oxygen consumption by activated sludge | Atcelts |
| 11087 | LVS EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | |
| 11035 | LVS EN ISO 7899-2:2001 A | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method | Standarts spēkā |
| 11125 | LVS EN ISO 7899-1:1998 A /AC:2002 | Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium | Standarts spēkā |
| 10999 | LVS EN ISO 7899-1:1998 A | Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium | Standarts spēkā |
| 29946 | LVS EN ISO 7887:2012 | Water quality - Examination and determination of colour (ISO 7887:2011) | Standarts spēkā |
| 10982 | LVS EN ISO 7887:1994 | Water quality - Examination and determination of color | Atcelts |
| 36652 | LVS EN ISO 7827:2013 | Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010) | Standarts spēkā |
| 10986 | LVS EN ISO 7827:2000 | Water quality - Evalution in an aquenos medium of the "ultimate" aerobic biodegrability of organic compounds - Method by analysis of dissolved organic carbon | Atcelts |
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