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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
ISO/AWI 16198 2026-11-05 Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants More  Comment 
ISO/CD 54321 2026-11-05 Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements More  Comment 
ISO/CD 23470 2026-11-05 Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt(III)chloride solution More  Comment 

All projects  

Current Draft Standards
Document number Edition Title
DIN EN 12901 2026-12 Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions; Trilingual version prEN 12901:2026 More  Comment draft
DIN EN ISO 25806 2026-12 Water quality - Guidance on field and laboratory procedures for aquatic macroinvertebrate sample preservation for DNA based analyses (ISO/DIS 25806:2026); German and English version prEN ISO 25806:2026 More 
DIN EN ISO 25807 2026-12 Water quality - Guidance on laboratory procedures for the mechanical homogenization and DNA extraction of aquatic macroinvertebrate samples (ISO/DIS 25807:2026); German and English version prEN ISO 25807:2026 More 

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN ISO 13196 2026-12 Standard Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument (ISO 13196:2026); German version EN ISO 13196:2026 More  Order from DIN Media
DIN EN ISO 23611-1 2026-12 Standard Soil quality - Sampling of soil invertebrates - Part 1: Hand-sorting and extraction of earthworms (ISO 23611-1:2026); German version EN ISO 23611-1:2026 More  Order from DIN Media
DIN EN ISO 23611-6 2026-12 Standard Soil quality - Sampling of soil invertebrates - Part 6: Design of sampling programmes with soil invertebrates (ISO 23611-6:2026); German version EN ISO 23611-6:2026 More  Order from DIN Media

All publications  

Documents withdrawn without replacement
Document number Deadline for comments Title
DIN EN 588-1 2026-11-30 Fibre-cement pipes for sewers and drains - Part 1: Pipes, joints and fittings for gravity systems; German version EN 588-1:1996 More  Comment 
DIN EN 16506 2026-12-31 Systems for renovation of drains and sewers - Lining with a rigidly anchored plastics inner layer (RAPL); German version EN 16506:2014 More  Comment 
DIN 19648-2 2026-12-31 Meters for cold water - Part 2: Stand post meters More  Comment 

All withdrawals  

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