Registration number (WIID)Project No.TitleStatus
10995LVS EN 1899-1:1998Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) 
22922LVS EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) 
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) 
10960LVS EN 1233:1996Water quality - Determination of chromium - Atomic absorption spectrometric methods 
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