Total Kjeldahl Nitrogen definition

Total Kjeldahl Nitrogen means organic nitrogen.
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Total Kjeldahl Nitrogen. (TKN) means the sum of organic nitrogen, ammonia (NH3), and ammonium (NH4+);
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Total Kjeldahl Nitrogen. (TKN) means the combination of ammonia and organic nitrogen, excluding nitrate and nitrite nitrogen.
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Examples of Total Kjeldahl Nitrogen in a sentence

  • It also contains monitoring requirements for total nitrogen, Total Kjeldahl Nitrogen, and nitrate/nitrite.

  • TN is a calculated value based on the sum of Total Kjeldahl Nitrogen (TKN) and Nitrate/Nitrite (NOx) Nitrogen, and, shall be reported as pounds, calculated as: Average TN (mg/L) x Total Daily Flow x 8.34 where, TN (mg/L) = TKN (mg/L) + NOx (mg/L)Per EPA, excess nitrogen (N) and phosphorus (P) are the leading cause of water quality degradation in the United States.

  • TN is a calculated value based on Total Kjeldahl Nitrogen (TKN) and Nitrate/Nitrite (NOx) Nitrogen.

  • To gather data on the amount of Total Nitrogen (TN) in this discharge and its potential impact on the receiving water, a monthly “monitor only” requirement for Nitrate/Nitrite (NOx) and Total Kjeldahl Nitrogen (TKN) has been included in this permit.

  • Monitoring for Nitrates + Nitrites, Total Kjeldahl Nitrogen, Total Nitrogen, and Total Phosphorus are included in this permit.


More Definitions of Total Kjeldahl Nitrogen

Total Kjeldahl Nitrogen means the sum of organic nitrogen and ammonia nitrogen; (nnn) "Toxic Substance" means any substance defined as toxic under the Canadian
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Total Kjeldahl Nitrogen means the sum of organic nitrogen and ammonia nitrogen;
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Total Kjeldahl Nitrogen. (TKN) means organically bound nitrogen and ammonia nitrogen as determined by the most current edition of the Standard Methods.
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Total Kjeldahl Nitrogen means the sum of free-ammonia and organic nitrogen compounds, which are converted to ammonium sulfate (NH4)2SO4, under test conditions. The value shall be as determined by the methods of analytical testing.
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Total Kjeldahl Nitrogen. TKN”)” shall mean the quantity of organic nitrogen and ammonia as determined in accordance with 40 CFR Part 136, or as EPA otherwise determines.
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Total Kjeldahl Nitrogen means organically bound nitrogen plus ammonia nitrogen, as determined by procedures approved by the Director;
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Total Kjeldahl Nitrogen means the sum of organic nitrogen and ammonia nitrogen as set forth in Standard Methods.
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