. . . . . . . . . . . . . . . "Proportion by dry weight of particles (20-50um) in the sediment"@en . "accepted"@en . . "PrSedByWtSiz_20-50um" . . . . . . "The weight (normalised by total sample weight) of sediment sample particles with a nominal diameter between 20 and 50 microns"@en . "SDN:P01::PRPCL493" . .