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The uncertainties quoted herein are expanded uncertainties with a coverage factor of 2 and an approximate confidence level of 95 %
Simplification of the layout of the standard by replacing some tables with text
Treatment of systematic effects
3- Alkalinity of surface-active agents for
Workplace exposure. Terminology Ingestion-build-159183 The uncertainties quoted herein areWhat is BS EN 1540 Workplace exposure terminology about? BS EN 1540 is a technical specification that specifies terms and definitions that are related to the assessment of workplace exposure to chemical and biological agents. These are either general terms or are specific to the physical and chemical processes of air sampling, the analytical method, or method performance. The terms included are those that have been identified as being fundamental
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