CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11077 | EN ISO 9377-2:2000 | Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography (ISO 9377-2:2000) | Izstrādē |
| 10979 | EN ISO 9391:1995 | Water quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplers (ISO 9391:1993) | Atcelts |
| 11069 | EN ISO 9408:1999 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO 9408:1999) | Izstrādē |
| 11070 | EN ISO 9439:2000 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999) | Izstrādē |
| 11009 | EN ISO 9509:1995 | Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water (ISO 9509:1989) | Atcelts |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 21807 | EN ISO 9562:2004 | Water quality - Determination of adsorbable organically bound halogens (AOX) (ISO 9562:2004) | Izstrādē |
| 59145 | EN ISO 9696:2017 | Water quality - Measurement of gross alpha activity in non-saline water - Thick source method (ISO/DIS 9696:2015) | Izstrādē |
| 59146 | EN ISO 9697:2017 | Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015) | Atcelts |
| 67629 | EN ISO 9697:2019 | Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018) | Standarts spēkā |
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