tədˈeɪ, tˌiːkˌeɪˈɛn ɪz ɐ ɹᵻkwˈaɪɚd pɚɹˈæmɪɾɚ fɔːɹ ɹˈɛɡjʊlətˌoːɹi ɹᵻpˈoːɹɾɪŋ æt mˈɛni tɹˈiːtmənt plˈænts, ænd æz ɐ mˈiːnz ʌv mˈɑːnɪɾɚɹɪŋ plˈænt ˌɑːpɚɹˈeɪʃənz.
Today, TKN is a required parameter for regulatory reporting at many treatment plants, and as a means of monitoring plant operations.