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PR NF T90-220 ; PR NF ISO 11352
Water quality - Estimation of measurement uncertainty based on validation and quality control data
PR NF T90-302 ; PR NF EN 18025
Water quality - Guidance standard on a strategic approach to river restoration
PR NF T90-354
Water quality - Determination of the Diatoma Biological Index (DBI).
PR NF T90-385 ; PR NF EN 18110
Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants
PR NF T90-386 ; PR NF EN 18161
Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment
PR NF T90-396 ; PR NF EN 15843
Water quality . Guidance standard on determining the degree of modification of river hydromorphology.
PR NF T90-418 ; PR NF EN ISO 7899-3
Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method
PR NF T90-464 ; PR NF EN ISO 13646
Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection
PR NF T90-647 ; PR NF EN ISO 13647
Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium
PR NF T90-702 ; PR NF EN 16150
Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers.
