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PR NF T90-710 ; PR NF EN 13946
Water quality - Guidance for the routine sampling and pre-treatment of benthic diatoms from rivers and lakes
PR NF T90-724 ; PR NF EN ISO 18724
Water quality - Determination of dissolved chromium(VI) in water - Photometric method
PR NF T90-805 ; PR NF EN ISO 17805
Water sampling for capture of macrobial environmental DNA in aquatic environments
PR NF T90-969-2 ; PR NF EN ISO 16094-2
Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water
PR NF T90-969-3 ; PR NF EN ISO 16094-3
Water quality - Analysis of microplastic in water - Part 3: Thermo-analytical methods for waters with low content of suspended solids including drinking water
PR NF T94-257 ; PR NF EN 1018
Chemicals used for treatment of water intended for human consumption - Calcium carbonate
PR NF T94-258 ; PR NF EN 12485
Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime and half-burnt dolomite - Test methods.
PR NF T94-306 ; PR NF EN 1278
Chemicals used for treatment of water intended for human consumption - Ozone.
PR NF T95-005 ; PR NF EN 15074
Chemicals used for treatment of swimming pool water - Ozone.
PR NF T95-008 ; PR NF EN 15077
Chemicals used for treatment of swimming pool water - Sodium hypochlorite.
