Committee:
ISO/TC 147 Water quality
ISO/TC 275 Sludge recovery, recycling, treatment and disposal
CEN/TC 164 Water supply
CEN/TC 230 Water analysis
CEN/TC 308 Characterization and management of sludge
* Some activities of this TC correspond to other AEN/CTN.
Standards developed by the committee: CTN 77/SC 1: 819
Status: VIGENTE / 2025-07-23
Water quality. Sampling. Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems
Status: VIGENTE / 2025-07-01
Water quality - Guidance and requirements for designing an interlaboratory trial for validation of analytical methods (ISO/TS 7013:2023) (Endorsed by Asociación Española de Normalización in July of 2025.)
Status: VIGENTE / 2025-06-11
Devices for in-situ generation of biocides - Ozone
Status: VIGENTE / 2025-05-21
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)
Status: VIGENTE / 2025-03-26
Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)
Status: VIGENTE / 2025-02-26
Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2024)
Status: VIGENTE / 2025-01-22
Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides
Status: VIGENTE / 2025-01-15
Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality
Status: VIGENTE / 2025-01-01
Characterisation of sludges - Filtration properties - Part 2: Determination of the specific resistance to filtration
Characterisation of sludges - Settling properties - Part 3: Determination of zone settling velocity (ZSV)
Influence of metallic materials on water intended for human consumption - Dynamic rig test for assessment of surface coatings with nickel layers - Long-term test method
Influence of metallic materials on water intended for human consumption - Determination of residual surface lead (Pb) - Extraction method
Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid
Chemicals used for treatment of water for swimming pools - Sodium hydrogen sulfate
Products used for treatment of water intended for human consumption - Manganese dioxide
Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfate
Status: VIGENTE / 2024-12-11
Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024)
Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2024)
Status: VIGENTE / 2024-11-20
Chemical used for treatment of water intended for human consumption - Antifouling for membranes - Sulphamic acid
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