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NOTE 2: It is not intended to imply that materials having the same designation give necessarily the same performance
ISO 4762:1989
What is BS EN 17009-2019 is about
BS EN 12101-6:2005 gives test procedures for the systems used
BS EN 14475 provides geotechnical
Air quality. Guidelines for estimating measurement uncertainty Ingestion-build-71203 NOTE 2: It is not1 Scope This International Standard provides comprehensive guidance and specific statistical procedures for uncertainty estimation in air quality measurements including measurements of ambient air, stationary source emissions, indoor air, workplace atmospheres and meteorology. It applies the general recommendations of the Guide to the Expression of Uncertainty in Measurement (GUM) to boundary conditions met in air quality measurement. The boundary