2. Getting involved
  3. Standards Committees
  4. NAW
NA 119

DIN Standards Committee Water Practice

About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

Search list

Projects of NA 119

Number: 445

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 
DIN EN ISO 15936 2025-05-27 Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion (ISO/DIS 15936:2025); German and English version prEN ISO 15936:2025 More  Comment 
DIN EN ISO 23696-1 2025-05-23 Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German version EN ISO 23696-1:2025 More  Comment 
DIN EN ISO 23697-1 2025-05-23 Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German version EN ISO 23697-1:2025 More  Comment 
DIN EN ISO 23697-2 2025-05-23 Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023); German version EN ISO 23697-2:2025 More  Comment 
DIN EN ISO 23696-2 2025-05-22 Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German version EN ISO 23696-2:2025 More  Comment 
DIN EN 545 2025-05-20 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods More  Comment 
DIN EN ISO 23695 2025-05-20 Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German version EN ISO 23695:2025 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 

TOP