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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 134

DIN EN 12255-5 2022-03 Wastewater treatment plants - Part 5: Lagooning processes; German and English version prEN 12255-5:2022 More 
DIN EN 16479 2022-03 Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automated sampling devices (samplers) for water and waste water; German and English version prEN 16479:2021 More 
DIN EN 15542 2022-02 Ductile iron pipes, fittings and accessories - External cement mortar coating for pipes - Requirements and test methods; German and English version prEN 15542:2021 More 
DIN EN 12255-3 2022-01 Wastewater treatment plants - Part 3: Preliminary treatment; German and English version prEN 12255-3:2021 More 
DIN EN 12255-4 2021-09 Wastewater treatment plants - Part 4: Primary treatment; German and English version prEN 12255-4:2021 More 
DIN EN 12255-9 2021-09 Wastewater treatment plants - Part 9: Odour control and ventilation; German and English version prEN 12255-9:2021 More 
DIN EN 12255-14 2021-08 Wastewater treatment plants - Part 14: Disinfection; German and English version prEN 12255-14:2021 More 
DIN EN 12255-6 2021-07 Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021 More 
DIN EN 12255-11 2021-07 Wastewater treatment plants - Part 11: General data required; German and English version prEN 12255-11:2021 More 
DIN EN 12255-13 2021-07 Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021 More 

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