Registration number (WIID)Project No.TitleStatus
78134FprEN 18025Water quality - Guidance standard on a strategic approach to river restorationIzstrādē
79410FprEN 15843Water quality - Guidance standard on determining the degree of modification of river hydromorphologyIzstrādē
79409FprEN 13946Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
11110ENV ISO 13843:2001Water quality - Guidance on validation of microbiological methods (ISO/TR 13843:2000)Atcelts
11005ENV ISO 13530:1998Water quality - Guide to analytical quality control for water analysis (ISO/TR 13530:1997)Atcelts
10996ENV 12260:1996Water quality - Determination of nitrogen - Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detectionAtcelts
11047EN ISO 9963-2:1995Water quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinity (ISO 9963-2:1994)Izstrādē
10993EN ISO 9963-1:1995Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity (ISO 9963-1:1994)Izstrādē
11071EN ISO 9888:1999Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999)Izstrādē
10976EN ISO 9887:1994Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992)Izstrādē
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