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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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: 438

ISO/AWI TR 27936 2025-06-06 Traceability of Carbon data in CCS Chain Based on Blockchain More  Comment 
DIN EN ISO 6461-2 rev 2025-06-06 Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration More  Comment 
ISO/AWI 6461-2 2025-05-28 Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration More  Comment 
ISO/DIS 25807 2025-05-28 Water quality - Guidance on laboratory procedures for the mechanical homogenization and DNA extraction of aquatic macroinvertebrate samples More  Comment 
ISO/DIS 25806 2025-05-28 Water quality - Guidance on field and laboratory procedures for aquatic macroinvertebrate sample preservation for DNA based analyses More  Comment 
DIN EN ISO 15936 2025-05-27 Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion (ISO/FDIS 15936:2026); German version FprEN ISO 15936:2026 More  Comment 
DIN EN 545 2025-05-20 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods; German and English version prEN 545:2026 More  Comment 
DIN EN ISO 15874-2 rev 2025-05-13 Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 2: Pipes More  Comment 
DIN EN ISO 11268-1 2025-05-13 Soil quality - Effects of pollutants on earthworms - Part 1: Determination of acute toxicity to Eisenia fetida/Eisenia andrei and other earthworm species (ISO/DIS 11268-1:2026); German and English version prEN ISO 11268-1:2026 More  Comment 
DIN EN ISO 15874-3 rev 2025-05-12 Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 3: Fittings More  Comment 

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