. . . . . . . . . . . . . . . . . . "Concentration (mass or moles) of the analyte contained in a unit volume of a sample of any body of fresh or salt water that has been filtered using an unspecified type of filter."@en . . "Diss_Cu_Filt" . "Concentration of copper {Cu CAS 7440-50-8} per unit volume of the water body [dissolved plus reactive particulate . "accepted"@en . . "SDN:P01::CUAFWC01" . . . . . . . . . . .