Registration number (WIID)Project No.TitleStatus
33673LVS EN ISO 5814:2013Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012)Standarts spēkā
63237LVS EN ISO 5815-1:2020Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019)Standarts spēkā
11014LVS EN ISO 5961:2000 AWater quality - Determination of cadmium by atomic absorbtion spectrometryStandarts spēkā
10964LVS EN ISO 6222:1999Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999) 
10952LVS EN ISO 6341:1996Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustracea) - Acute toxicity testAtcelts
11124LVS EN ISO 6341:1996/AC:1998Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:1996)Atcelts
34595LVS EN ISO 6341:2013Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:2012)Standarts spēkā
11015LVS EN ISO 6468:1996Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorrobenzenes - Gas chromatographic method after liquid-liquid extractionStandarts spēkā
21805LVS EN ISO 6878:2004 AWater quality - Determination of phosphorus - Ammonium molybdate spectrometric methodStandarts spēkā
39697LVS EN ISO 7027-1:2016Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016)Standarts spēkā
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