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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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: 442

ISO/WD 4427-4 2026-05-27 Plastics piping systems for water supply and for drainage and sewerage under pressure - Polyethylene (PE) - Part 4: Part 4: Valves More  Comment 
ISO/AWI 23056 2026-05-26 Water reuse in urban areas - Guidelines for decentralized/onsite water reuse system - Design principles of a decentralized/onsite system More  Comment 
DIN 19294-5 2026-05-19 Devices for the disinfection of water using ultraviolet radiation - Part 5: Devices equipped with UV LED's - Requirements and testing More  Comment 
DIN 19294-6 2026-05-19 Devices for the disinfection of water using ultraviolet radiation - Part 6: LED Reference radiometers for devices equipped with UV-LED's - Requirements and testing More  Comment 
ISO/CD 14388-2 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 2: Chromium reducible sulfur (CRS) methodology More  Comment 
ISO/CD 14388-1 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 1: Introduction and definitions, symbols and acronyms, sampling and sample preparation More  Comment 
ISO/CD 14388-3 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 3: Suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodology More  Comment 
DIN EN ISO 15061 rev 2026-05-12 Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions More  Comment 
DIN EN ISO 18857-1 rev 2026-05-11 Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection More  Comment 
DIN EN ISO 9377-2 rev 2026-05-11 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography More  Comment 

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