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 / 2023-11-22
Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution
Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solid
Status: VIGENTE / 2023-10-31
Water quality - Sampling, capture and preservation of environmental DNA from water
Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023)
Status: VIGENTE / 2023-09-03
Characterization of sludges - Determination of dry residue and water content.
Characterization of sludges - Determination of Kjeldahl nitrogen
Status: VIGENTE / 2023-08-01
Sludge recovery, recycling, treatment and disposal - Guidance on thermal treatment of sludge (ISO/TR 20736:2021) (Endorsed by Asociación Española de Normalización in August of 2023.)
Status: VIGENTE / 2023-06-28
Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018)
Water quality - Determination of the estrogenic potential of water and waste water - Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) (ISO 19040-2:2018)
Water quality - Determination of the estrogenic potential of water and waste water - Part 3: In vitro human cell-based reporter gene assay (ISO 19040-3:2018)
Status: VIGENTE / 2023-06-21
Influence of organic materials on water intended for human consumption - Organoleptic assessment of water in storage systems - Part 1: Test method
Influence of materials on water intended for human consumption - Organic materials - Determination of colour and turbidity of water in piping systems - Part 1: Test method.
Status: VIGENTE / 2023-06-14
Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018)
Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021)
Status: VIGENTE / 2023-04-04
Water quality -- Determination of phenol index -- 4-Aminoantipyrine spectrometric methods after distillation
Status: VIGENTE / 2023-03-31
Water quality. Determination of the sum of calcium and magnesium. EDTA titrimetric method
WATER QUALITY. DETERMINATION OF CALCIUM CONTENT. EDTA TITRIMETRIC METHOD
Status: VIGENTE / 2023-01-25
Products used for treatment of swimming pool water - Powdered activated carbon
Chemicals used for treatment of swimming pool water - Aluminium based coagulants
Status: VIGENTE / 2023-01-11
Chemicals used for the treatment of swimming pool water - Iron based coagulants
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