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Retained samples in mass catering

Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systems

Water quality - Detection and enumeration of Escherichia coli - Part 4: Membrane filtration method for water with high levels of background bacteria

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria

Solid recovered fuels - Determination of moisture content using the oven dry method - Part 2: Determination of total moisture by a simplified method (ISO/DIS 21660-2:2024); German and English version prEN ISO 21660-2:2024

Solid recovered fuels - Determination of moisture content using the oven dry method - Part 2: Determination of total moisture by a simplified method (ISO/DIS 21660-2:2024)

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

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/FDIS 20236:2024)

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