Registration number (WIID)Project No.TitleStatus
10442LVS EN ISO 8467:2000 LWater quality - Determination of permanganate indexStandarts spēkā
10395LVS EN 1899-2:1998Water quality - Determination of biochemical oxygen demand after n days (BOD n ) - Part 2: Method for undiluted samples (ISO 5815:1989, modified)Standarts spēkā
10470LVS ISO 10849:2001Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Performance characteristics of automated measuring systemsStandarts spēkā
10461LVS EN ISO 9963-1:2001 LWater quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinityStandarts spēkā
10429LVS ISO 9964-3:2000 LWater quality - Determination of sodium and potassium - Part 3: Determination of sodium and potassium by flame emission spectrometryStandarts spēkā
10418LVS ISO 6059:1984Water quality - Determination of the sum of calcium and magnesium - EDTA titrimetric methodStandarts spēkā
10417LVS EN ISO 6222:1999Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture mediumStandarts spēkā
10618LVS ISO 10694:2006 LSoil quality - Determination of organic and total carbon after dry combustion (elementary analysis)Standarts spēkā
10617LVS ISO 5725-5:2006 +AC A/LAccuracy (trueness and precision) of measurement methods and results - Part 5: Alternative methods for the determination of the precision of a standard measurement methodStandarts spēkā
12039LVS ISO 11465:2006 +TC1 LSoil quality - Determination of dry matter and water content on a mass basis - Gravimetric methodStandarts spēkā
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