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EN 17289-2-2020 pdf download.Characterization of bulk materials - Determination of a size-weighted fine fraction and crystalline silica content -Part 2: Calculation method. The calculation method is applicable only after experiments have shown that the results are accurate...

EN 17289-1-2020 pdf download.Characterization of bulk materials - Determination of a size-weighted fine fraction and crystalline silica content - Part 1: General information and choice of test methods. A.2 looks at the biases arising from the size...