CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11060 | ISO/CD 15587 | Water quality - Digestion method for the determination of trace elements | Izstrādē |
| 33760 | EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Izstrādē |
| 63219 | EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/DIS 7027-2:2017) | Izstrādē |
| 10983 | EN 27888:1993 | Water quality - Determination of electrical conductivity (ISO 7888:1985) | Izstrādē |
| 10976 | EN ISO 9887:1994 | Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992) | Izstrādē |
| 11101 | prEN ISO 15681-1 | Water quality - Determination of phosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by FIA | Izstrādē |
| 11088 | EN ISO 12020:2000 | Water quality - Determination of aluminium - Atomic absorption spectrometric methods (ISO 12020:1997) | Izstrādē |
| 11087 | EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | Izstrādē |
| 11086 | EN ISO 7393-3:2000 | Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine (ISO 7393-3:1990) | Izstrādē |
| 11084 | EN ISO 7393-1:2000 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985) | Izstrādē |
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