CCHU9036 water quality index calculation method

CCHU9036 water quality index calculation method - Mg/L...

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Mg/L Class I Class II Class III Class IV Class V DO > or = 8 6 5 3 2 COD < or = 10 15 20 30 40 TKN < or= 0.3 0.5 1 2 3 Water quality index (only surface water quality) It’s calculating the worst level. Sample 1 DO – 7 COD – 25
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Unformatted text preview: TKN – 0.8 So, it’s Class IV Sample 2 DO – 9 COD – 18 TKN – 2.5 So, It’s class V DO – dissolved oxygen COD – Chemical Oxygen Demand TKN – Total Kjeldahl Nitrogen...
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  • Spring '16
  • Chemical oxygen demand, Total Kjeldahl Nitrogen, Kjeldahl method

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