"2018-10-15 17:05:31.0" . . "2018-10-15 17:05:31.0" . . . . "SDN:P01::CSO88133" . . . . . . . "SDN:P01::CSO88133" . . "soluble_Cu_aerosol_<1um_SD" . "SDN:P01::CSO88133" . "Concentration standard deviation of soluble copper {soluble_Cu CAS 7440-50-8} per unit volume of the atmosphere [aerosol <1um 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 . "2" . "accepted"@en . "2" . "false" .