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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 438

ISO/AWI 11348-2 2026-02-24 Water quality - Determination of the inhibitory effect of water samples on the light emission of Aliivibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria More  Comment 
ISO/AWI 11348-1 2026-02-24 Water quality - Determination of the inhibitory effect of water samples on the light emission of Aliivibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria More  Comment 
DIN EN 12457-4 2026-02-24 Granular waste materials, sludges, soil, soil-like materials and sediments - Leaching - Compliance test for leaching - Part 4: One-stage batch test a liquid-to-solid ratio of 10L/kg for materials with particle size below 10 mm (with or without size reduction); German and English version prEN 12457-4:2026 More  Comment 
DIN EN 12457-3 2026-02-24 Granular waste materials, sludges, soil, soil-like materials and sediments - Leaching - Compliance test for leaching - Part 3: Two-stage batch test at a liquid-to-solid ratio of 2 L/kg and 8 L/kg for materials with high solid content and with particle size below 4 mm (with or without size reduction); German and English version prEN 12457-3:2026 More  Comment 
DIN EN 12457-1 2026-02-24 Granular waste materials, sludges, soil, soil-like materials and sediments - Leaching - Compliance test for leaching - Part 1: One-stage batch test at a liquid-to-solid ratio of 2 L/kg for materials with particle size below 4 mm (without or with size reduction); German and English version prEN 12457-1:2026 More  Comment 
DIN EN 12457-2 2026-02-24 Granular waste materials, sludges, soil, soil-like materials and sediments - Leaching - Compliance test for leaching - Part 2: One-stage batch test at a liquid-to-solid ratio of 10 L/kg for materials with particle size below 4 mm (with or without size reduction); German and English version prEN 12457-2:2026 More  Comment 
DIN 1988-300 2026-02-17 Codes of practice for potable water installations - Part 300: Pipe sizing More  Comment 
DIN EN ISO 1452-3 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Fittings More  Comment 
DIN EN ISO 1452-2 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Pipes More  Comment 
DIN EN ISO 1452-1 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General More  Comment 

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