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: 822
Status: VIGENTE / 2022-02-09
Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods
Water quality - Guidance on the estimation of phytoplankton biovolume
Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes
Water quality - Sampling of fish with electricity
Water quality - Sampling of fish with multi-mesh gillnets
Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water
Water quality - Guidance standard for designing and selecting taxonomic keys
Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
Water and soil quality - Determination of the toxic effect of sediment and soil samples on growth, fertility and reproduction of Caenorhabditis elegans (Nematoda) (ISO 10872:2020)
Status: VIGENTE / 2021-12-15
Chemicals used for treatment of water intended for human consumption - Calcium carbonate
Status: VIGENTE / 2021-12-06
Characterization of sludges - Physical consistency - Part 1: Determination of flowability - Method by extrusion tube apparatus
Status: VIGENTE / 2021-10-20
Water Quality - Guidance standard for assessing the hydromorphological features of rivers
Status: VIGENTE / 2021-06-23
Influence of metallic materials on water intended for human consumption - Dynamic rig test for assessment of metal release - Part 2: Test waters
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method
Influence of materials on water for human consumption - Enhancement of microbial growth (EMG)
Influence of materials on water intended for human consumption - GC-MS identification of water leachable organic substances
Status: VIGENTE / 2021-06-09
Characterisation of sludges - Filtration properties - Part 1: Capillary suction time (CST)
Characterisation of sludges - Settling properties - Part 1: Determination of settleability (Determination of the proportion of sludge volume and sludge volume index)
Characterisation of sludges - Settling properties - Part 2: Determination of thickenability
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