Projects of CEN/TC 444/WG 1

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 12457-3 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 12457-2 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 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 

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