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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 422

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/CD TS 6671 2023-05-22 Ductile iron pipes, fittings, accessories and their joints for hot water supply 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-tandem mass spectrometry or high resolution mass spectrometry (GC-MS/MS; HRMS) (ISO/DIS 22032:2025); German and English version prEN ISO 22032:2025 More  Comment 
DIN EN ISO 13647 2023-05-11 Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO/DIS 13647:2025); German and English version prEN ISO 13647:2025 More  Comment 
DIN EN ISO 18127 2023-05-11 Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement (ISO/FDIS 18127:2025); German version FprEN ISO 18127:2025 More  Comment 
DIN EN ISO 18724 2023-05-11 Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025); German version EN ISO 18724:2025 More  Comment 
DIN EN 00165353 2023-05-04 ((EN 295-9)) Vitrified clay piping systems - Environmental Product Declarations - Product Category Rules complementary to EN 15804, for buried vitrified clay pipes More  Comment 
ISO/DIS 5667-10 2023-04-22 Water quality - Sampling - Part 10: Guidance on sampling waste water More  Comment 
ISO/FDIS 18191 2023-04-22 Water quality - Determination of pHT in sea water - Method using the indicator dye m-cresol purple More  Comment 

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