Registration number (WIID)Project No.TitleStatus
10953LVS EN 26777:1993Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) 
21813LVS EN ISO 15681-1:2004Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by flow injection analysis (FIA) (ISO 15681-1:2003) 
10973LVS EN 26461-1:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) 
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