CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 11124 | LVS EN ISO 6341:1996/AC:1998 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:1996) | Atcelts |
| 10952 | LVS EN ISO 6341:1996 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustracea) - Acute toxicity test | Atcelts |
| 10964 | LVS EN ISO 6222:1999 | Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999) | |
| 11014 | LVS EN ISO 5961:2000 A | Water quality - Determination of cadmium by atomic absorbtion spectrometry | Standarts spēkā |
| 63237 | LVS EN ISO 5815-1:2020 | Water 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 |
| 33673 | LVS EN ISO 5814:2013 | Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012) | Standarts spēkā |
| 71704 | LVS EN ISO 5667-6:2017/A11:2020 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Standarts spēkā |
| 59003 | LVS EN ISO 5667-6:2017 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Standarts spēkā |
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