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NA 119

DIN Standards Committee Water Practice

About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

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Projects of NA 119

Number: 373

DIN EN 00164785 2025-03-17 Chemicals used for treatment of water intended for human consumption - antiscalants for membranes - citric acid More  Comment 
ISO/DIS 5667-9 2025-03-14 Water quality - Sampling - Part 9: Guidance on sampling from marine waters More  Comment 
ISO/DIS 5667-17 2025-03-14 Water quality - Sampling - Part 17: Guidance on sampling of bulk suspended solids More  Comment 
ISO/DIS 5667-4 2025-03-14 Water quality - Sampling - Part 4: Guidance on sampling from lakes, natural and man-made More  Comment 
ISO/DIS 5667-5 2025-03-14 Water quality - Sampling - Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems More  Comment 
ISO/DIS 5667-21 2025-03-14 Water quality - Sampling - Part 21: Guidance on sampling of drinking water distributed by tankers or means other than distribution pipes More  Comment 
ISO/AWI 5663 2025-03-14 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium More  Comment 
ISO/DIS 5667-3 2025-03-14 Water quality - Sampling - Part 3: Preservation and handling of water samples More  Comment 
ISO/CD 5667-1 2025-03-14 Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques More  Comment 
ISO/AWI 21685 2025-03-11 Water Quality - Method for detection of Norovirus in water using RT-nested PCR More  Comment 

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