Registration number (WIID)Project No.TitleStatus
11118LVS EN ISO 17994:2004Water quality - Criteria for establishing equivalence between microbiological methodsAtcelts
11012EN 872:1996Water quality - Determination of suspended solids - Method by filtration through glass fibre filtersAtcelts
11104EN ISO 5667-3:2003Water quality - Sampling - Part 3: Guidance on the preservation and handling of water samples (ISO 5667-3:2003)Atcelts
10989LVS EN ISO 5667-3:1995 AWater quality - Sampling - Part 3: Guidance on sampling of preservation and handling of samplesAtcelts
11009EN ISO 9509:1995Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water (ISO 9509:1989)Atcelts
68924LVS EN ISO 13165-3:2020Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-spectrometry (ISO 13165-3:2016)Atcelts
11003LVS EN ISO 11348-1:2001Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteriaAtcelts
11056LVS EN ISO 11348-3:2001Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteriaAtcelts
10979LVS EN ISO 9391:1995 AWater quality - Sampling in deep waters for macro-invertebrates - Guidance on the use of colonization, qualitative and quantitative samplersAtcelts
11012LVS EN 872:1996Water quality - Determination of suspended solids - Method by filtration through glass fibre filtersAtcelts
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