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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 422

DIN EN ISO 15192 2022-11-16 Soil and waste – Determination of chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrometric detection (ISO 15192:2025); German version EN ISO 15192:2025 More  Comment 
ISO/DTS 18671 2022-11-10 Test methodologies for assessing the compatibility of wet wipes and moist toilet tissue with the wastewater collection and treatment systems, and appropriate labelling More  Comment 
DIN EN ISO 18227 2022-11-01 Environmental solid matrices – Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025); German version EN ISO 18227:2025 More  Comment 
ISO/FDIS 13196 2022-10-24 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument More  Comment 
DIN EN 12255-7 2022-10-10 Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version FprEN 12255-7:2026 More  Comment 
DIN EN 12255-1 2022-10-10 Wastewater treatment plants - Part 1: General design and construction principles; German version EN 12255-1:2024 More  Comment 
ISO/TS 18721 2022-10-07 Ecological soil functions - Characteristics, indicators and methods More  Comment 
DIN CEN/TS 18041 2022-09-30 Hydrometry - Sedimentation - Measurements required for effective sediment management and control at river structures More  Comment 
DIN CEN/TR 00203073 2022-08-01 Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Guidelines for Pipelines Installation More  Comment 
DIN EN 1278 2022-06-29 Chemicals used for treatment of water intended for human consumption - Ozone; German and English version prEN 1278:2024 More  Comment 

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