. . . . . . . . . . . "SDN:P01::RBYJLY27" . "TDS<1.5um" . "Concentration of solids (total dissolved) {TDS} per unit volume of the water body [dissolved plus reactive particulate <1.5um phase]"@en . "accepted"@en . "The mass of solid material obtained by evaporating the filtrate of a given volume of any body of fresh or salt water to dryness after filtration through a 1.5um filter."@en . . .