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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

About NAW

The DIN Standards Committee Water Practice (NAW) is responsible for the standardization in the concise field of water-related aspects and promotes the propagation and application of these standards. The technical work is performed in the committees Environment (waste, soil and water quality), Water engineering, Water supply and Waste water engineering. The NAW takes care of the national contribution to European and International standardization in these fields.

How is NAW composed?


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DIN e. V.
Dr.
Christiane Loser

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
ISO/AWI 16094-4 2025-12-16 Water quality - Analysis of microplastics in water - Part 4: Sample preparation for analysis of microplastics in water More  Comment 
ISO/CD 4427-1 2025-12-15 Plastics piping systems for water supply and for drainage and sewerage under pressure - Polyethylene (PE) - Part 1: General More  Comment 
ISO/CD 4427-3 2025-12-15 Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 3: Fittings More  Comment 

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Current Draft Standards
Document number Edition Title
DIN EN ISO 13169 2026-02 Water quality - Uranium - Test method using alpha liquid scintillation counting (ISO/DIS 13169:2025); German and English version prEN ISO 13169:2025 More 
DIN EN ISO 5667-1 2026-02 Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO/DIS 5667-1:2025); German and English version prEN ISO 5667-1:2025 More 
DIN EN 17152-1 2026-01 Plastics piping systems for non-pressure underground conveyance and storage of surface water - Boxes used for infiltration, attenuation and storage systems - Part 1: Specifications for boxes made of PP and PVC-U; German and English version prEN 17152-1:2025 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN ISO 18475 2026-02 Standard Environmental solid matrices - Determination of polychlorinated biphenyls (PCB) by gas chromatography - mass selective detection (GC-MS) or electron-capture detection (GC-ECD) (ISO 18475:2023); German version EN ISO 18475:2025 More  Order from DIN Media
DIN 1988-600 2026-01 Standard Codes of practice for potable water installations - Part 600: Potable water installations in connection with fire fighting and fire protection installations More  Order from DIN Media
DIN EN ISO 11350 2026-01 Standard Water quality - Determination of the genotoxicity of water and waste water - Salmonella/microsome fluctuation test (Ames fluctuation test) (ISO 11350:2012); German version EN ISO 11350:2025 More  Order from DIN Media

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Documents withdrawn without replacement
Document number Deadline for comments Title
DIN V 38407-11 2026-02-28 German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 11: Determination of selected organic plant protecting agents by Automated Multiple Development (AMD)-technique (F 11) More  Comment 

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