. . . . . . . . . . . "Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of experiment water sample [dissolved plus reactive particulate <0.2um phase]"@en . . . "SDN:P01::NZTW0002" . . . "Amount (mass or number of moles) of the analyte per unit volume of the filtrate of a sample of any experiment water sample that has been filtered through a 0.2um filter."@en . . "accepted"@en . "NO2_0.2umFilt_expt" . . . .