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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 438

ISO/DIS 24295 2023-08-02 Water quality - Determination of the dioxin-like activity of water and wastewater - Method using in vitro mammalian cell-based reporter gene assay More  Comment 
ISO/DIS 14686 2023-07-13 Hydrometric determinations - Pumping tests for water wells - Considerations and guidelines for design, performance and use More  Comment 
ISO/DIS 24577 2023-07-10 Hydrometry - Use of noncontact methods for measuring water surface velocity and determining discharge More  Comment 
DIN EN 16150 2023-06-16 Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams; German version EN 16150:2026 More  Comment 
DIN EN ISO 19204 2023-06-06 Soil quality - Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach) (ISO/DIS 19204:2026); German and English version prEN ISO 19204:2026 More  Comment 
ISO/DIS 21027 2023-05-30 Water quality - Determination of total organic carbon in water samples containing suspended solids by combined ultrasonic and alkaline extraction pretreatment More  Comment 
DIN EN ISO 9308-4 2023-05-29 Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria (ISO/DIS 9308-4:2025); German and English version prEN ISO 9308-4:2025 More  Comment 
ISO/DTS 6671 2023-05-22 Ductile iron pipes, fittings, accessories and their joints for hot water applications - Requirements and test methods More  Comment 
DIN 19631 2023-05-16 Leaching of construction products - Percolation method for the examination of the leaching behaviour of materials injected into the soil More  Comment 
DIN EN ISO 22032 2023-05-11 Water quality – Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended particulate matter and biota – Method using gas chromatography coupled with tandem mass spectrometry (GC MS/MS) or with high resolution mass spectrometry (GC HRMS) (ISO 22032:2026); German version EN ISO 22032:2026 More  Comment 

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