"Proportion by dry weight of particles (250-300um) in the sediment"@en . "2017-06-28 16:58:03.0" . "SDN:P01::PRPCL419" . . . "SDN:P01::PRPCL419" . "2" . "false" . "accepted"@en . "PrSedByWtSiz_250-300um" . . "2017-06-28 16:58:03.0" . "2" . "The weight (normalised by total sample weight) of sediment sample particles with a nominal diameter between 250 and 300 microns"@en . . "SDN:P01::PRPCL419" .