• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of CEN/TC 444/WG 1

DIN EN 12457-1 rev 2026-02-24 Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 1: One stage batch test at a liquid to solid ratio of 2 l/kg for materials with high solid content and with particle size below 4 mm (without or with size reduction) More  Comment 
DIN EN 12457-2 rev 2026-02-24 Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 2: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 4 mm (without or with size reduction) More  Comment 
DIN EN 12457-3 rev 2026-02-24 Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - 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 (without or with size reduction) More  Comment 
DIN EN 12457-4 rev 2026-02-24 Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 4: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 10 mm (without or with size reduction) More  Comment 

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