Registration number (WIID)Project No.TitleStatus
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
11069LVS EN ISO 9408:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium by determination of oxygen demand in a closed respirometerStandarts spēkā
11065LVS EN ISO 14911:2000Water quality - Determonation of dissolved Li+, Na+, NH+4, K+, Mn+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste waterStandarts spēkā
11043LVS EN ISO 13395:1996 AWater quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
11018LVS EN 12673:1998Water quality - Gas chromatographic determination of some selected chlorophenols in waterStandarts 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
36146LVS EN 13946:2014Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesStandarts spēkā
11066LVS EN 14011:2003Water quality - Sampling of fish with electricityStandarts 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
29876LVS EN ISO 23913:2009Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006)Standarts spēkā
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