Registration number (WIID)Project No.TitleStatus
39328LVS EN ISO 9308-2:2014Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012)Standarts spēkā
39697LVS EN ISO 7027-1:2016Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016)Standarts spēkā
10997LVS EN ISO 11905-1:1998Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfateStandarts spēkā
29873LVS EN ISO 10304-1:2009Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007)Standarts spēkā
11066LVS EN 14011:2003Water quality - Sampling of fish with electricityStandarts spēkā
11045LVS EN ISO 8689-1:2001 AWater quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebratesStandarts spēkā
11048LVS EN ISO 11734:1998Water quality - Evalution of the "ultimate" anaerobic biodegrability of organic compounds in digested sludge - Method by measurement of the biogas productionStandarts spēkā
11018LVS EN 12673:1998Water quality - Gas chromatographic determination of some selected chlorophenols in waterStandarts spēkā
35341LVS EN ISO 18857-2:2012Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009)Standarts spēkā
10974LVS EN 26461-2:1993 AWater quality - Detection and enumeration of the spores of sulfite-reducting anaerobes (Clostridia) - Part 2: Method by membrane filtrationStandarts spēkā
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