CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 29987 | EN ISO 10870:2012 | Water quality - Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO 10870:2012) | Standarts spēkā |
| 11034 | LVS EN ISO 11969:2001 | Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) | Standarts spēkā |
| 81327 | EN ISO 11350:2025 | Water quality - Determination of the genotoxicity of water and waste water - Salmonella/microsome fluctuation test (Ames fluctuation test) (ISO 11350:2012) | Standarts spēkā |
| 36151 | LVS EN 16870:2017 | Water quality - Guidance standard on determining the degree of modification of lake hydromorphology | Standarts spēkā |
| 76872 | LVS EN ISO 20236:2024 | Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024) | Standarts spēkā |
| 62443 | LVS EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | Standarts spēkā |
| 75274 | LVS EN ISO 13165-3:2024 | Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-ray spectrometry (ISO 13165-3:2024) | Standarts spēkā |
| 67605 | LVS EN ISO 22125-1:2020 | Water quality - Technetium-99 - Part 1: Test method using liquid scintillation counting (ISO 22125-1:2019) | Standarts spēkā |
| 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) | |
| 10995 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) |
Displaying 821-830 of 841 results.