CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11084 | LVS EN ISO 7393-1:2001 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1, 4-phenylenediamine | Standarts spēkā |
| 11038 | LVS EN ISO 7346-3:2000 | Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 3: Flow-through method | Standarts spēkā |
| 11037 | LVS EN ISO 7346-2:2000 | Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static method | Standarts spēkā |
| 11036 | LVS EN ISO 7346-1:2000 | Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 1: Static method | Standarts spēkā |
| 63219 | LVS EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019) | Standarts spēkā |
| 11075 | LVS EN ISO 7027:2002 | Water quality - Determination of turbidity | Atcelts |
| 39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
| 21805 | LVS EN ISO 6878:2004 A | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
| 11015 | LVS EN ISO 6468:1996 | Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorrobenzenes - Gas chromatographic method after liquid-liquid extraction | Standarts spēkā |
| 34595 | LVS EN ISO 6341:2013 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:2012) | Standarts spēkā |
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