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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 120

DIN EN ISO 13164-4 2023-10 Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO/FDIS 13164-4:2023); German and English version prEN ISO 13164-4:2023 More 
DIN EN ISO 20236 2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023); German and English version prEN ISO 20236:2023 More 
DIN EN 12255-7 2023-09 Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023 More 
DIN EN ISO 5667-1 2023-09 Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2023); German and English version EN ISO 5667-1:2023 More 
DIN EN 12255-1 2023-08 Wastewater treatment plants - Part 1: General construction principles; German and English version prEN 12255-1:2023 More 
DIN EN 1717 2023-07 Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow; German and English version prEN 1717:2023 More 
DIN EN 1017 2023-07 Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite; German and English version prEN 1017:2023 More 
DIN 4034-101 2023-06 Prefabricated concrete manholes, unreinforced, steel fibre and reinforced - Part 101: Evaluation of conformity for drains and sewers in addition to DIN EN 1917:2003-04 More 
DIN 4034-1 2023-06 Prefabricated concrete manholes, unreinforced, steel fibre and reinforced - Part 1: Requirements, test methods and marking for drains and sewers in addition to DIN EN 1917:2003-04 More 
DIN EN ISO 24212 2023-06 Remediation techniques applied at contaminated sites (ISO/DIS 24212:2023); German and English version prEN ISO 24212:2023 More 

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