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ISO 11352:2025 Water quality — Estimation of measurement uncertainty based on validation and quality control data
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ISO 13347-4:2025 Fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity method
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ISO 24835-2:2025 Natural gas upstream area — Determination and calculation of shale brittleness index — Part 2: Determination of shale mechanical characteristics based on triaxial testing method
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ISO 17831-2:2025 Solid biofuels — Determination of mechanical durability of pellets and briquettes — Part 2: Briquettes
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ISO 20041-2:2025 Tritium and carbon-14 activity in gaseous effluents and gas discharges of nuclear installations — Part 2: Determination of tritium and carbon-14 activities sampled by bubbling technique
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ISO/TS 16099:2025 Water quality — Polymerase chain reaction (PCR) for the detection and quantification of microorganisms and viruses — General requirements, quality assurance and validation
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ISO 16321-4:2025 Eye and face protection — Part 4: Protection against biological hazards
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ISO 9612:2025 Acoustics — Determination of occupational noise exposure — Methodology
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ISO 11265:2025 Environmental solid matrices — Determination of the specific electrical conductivity
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