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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 436

DIN EN ISO 25906 2026-07-23 Water quality - Determination of total organic carbon (TOC) and dissolved organic carbon (DOC) by wet chemical heated persulfate oxidation, followed by colorimetric measurement More  Comment 
DIN EN ISO 16094-4 2026-07-20 Water quality - Analysis of microplastics in water - Part 4: Sample preparation for analysis of microplastics in water More  Comment 
DIN EN ISO 16094-1 2026-07-14 Water quality - Analysis of microplastics in waters - Part 1: General More  Comment 
DIN 38409-65 2026-07-09 German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 65: Determination of filterable substances smaller or equal 63µm (AFS63) (H 65) More  Comment 
DIN 38414-17 2026-07-06 German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 17: Determination of the organically bound halogens amenable to extraction (EOX) (S 17) More  Comment 
DIN CEN/T? 00474011 2026-06-24 Use of polymer and composite materials in pipeline transportation of CO₂ streams in gaseous and dense phase More  Comment 
ISO/AWI 20468-12 2026-06-23 Performance evaluation of treatment technologies for water reuse systems - Part 12: Guidelines for characteristic evaluation of treatment systems based on water footprint concept More  Comment 
DIN EN 15935 rev 2026-06-15 Soil, waste, treated biowaste and sludge - Determination of loss on ignition More  Comment 
DIN EN 1451-1 rev 2026-06-10 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polypropylene (PP) - Part 1: Specifications for pipes, fittings and the system More  Comment 
ISO/WD 26615 2026-06-10 Guidelines for the urban reclaimed water in the production of ultra-pure water used in the electronics and semiconductor industries More  Comment 

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