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NA 119

DIN Standards Committee Water Practice

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Publications of NA 119

Number: 2,230

ISO 13272 2026-07 Standard Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifiers (PP-MD) and polyethylene (PE) - Specifications for manholes and inspection chambers in traffic areas and underground installations More  Order from DIN Media
DIN 19643-3/A1 2026-07 Standard Treatment of water of swimming pools and baths - Part 3: Combinations of process with ozonization and chlorination; Amendment A1 More  Order from DIN Media
DIN 19643-2/A1 2026-07 Standard Treatment of water of swimming pools and baths - Part 2: Combinations of process with fixed bed filters and precoat filters; Amendment A1 More  Order from DIN Media
DIN EN 18097 2026-06 Standard Hydrometry - Measurement of precipitation intensity - Metrological requirements and test methods for non-catching type rain gauges; German version EN 18097:2025 More  Order from DIN Media
DIN EN ISO 23695 2026-06 Standard Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German version EN ISO 23695:2025 More  Order from DIN Media
DIN EN ISO 23696-1 2026-06 Standard Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German version EN ISO 23696-1:2025 More  Order from DIN Media
DIN EN ISO 23697-1 2026-06 Standard Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German version EN ISO 23697-1:2025 More  Order from DIN Media
DIN EN ISO 23696-2 2026-06 Standard Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German version EN ISO 23696-2:2025 More  Order from DIN Media
DIN EN ISO 23697-2 2026-06 Standard Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023); German version EN ISO 23697-2:2025 More  Order from DIN Media
DIN EN 15074 2026-06 Standard Chemicals used for treatment of swimming pool and spas water - Ozone; German version EN 15074:2026 More  Order from DIN Media

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