. . . . . . . . . "accepted"@en . "Concentration standard deviation of copper {Cu CAS 7440-50-8} per unit volume of the atmosphere [aerosol phase]"@en . "The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en . . "SDN:P01::CCO88226" . . "total_Cu_aerosol_SD" . . . . . . . . . . . .