Registration number (WIID)Project No.TitleStatus
62650prEN 15843 revWater quality - Guidance standard on determining the degree of modification of river hydromorphologyIzstrādē
27362prEN 15708Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
11117prEN 14393Water quality - Guidance on quality assurance aspects of aquatic macrophytes surveying and analysis in running watersIzstrādē
75672prEN 13946 revWater quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
11052prEN 12780Water quality - Detection and enumeration of Pseudomonas Aeruginosa in bottled waterIzstrādē
21806prEN 1233:1996 revWater quality - Determination of chromium - Atomic absorption spectrometric methodsIzstrādē
11110LVS ENV ISO 13843:2002Water quality - Guidance on validation of microbiological methodsAtcelts
11005LVS ENV ISO 13530:2003Water quality - Guide to analytical quality control for water analysisAtcelts
10996LVS ENV 12260:2001 AWater quality - Determination of nitrogen - Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detectionAtcelts
11047LVS EN ISO 9963-2:1995 AWater quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinityStandarts spēkā
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