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Table 5

Asafo greywater classifications

Parameter (units)Site 1Site 2Site 3Site 4Site 5Site 6
TKN (mg-N/L) 117.7 198.9 117.7 218.5 67.2 28 
Total phosphate (mg-PO43−/L) 27.4 41.8 29.6 71.5 15.4 30.4 
Phosphorus (mg-P/L) 13.8 9.6 23.3 9.8 
BOD5 (mg/L) 610 600 580 700 480 121 
COD (mg/L) 952 2,308 967 1,167 744 207 
Classification High High High High High High 
Parameter (units)Site 1Site 2Site 3Site 4Site 5Site 6
TKN (mg-N/L) 117.7 198.9 117.7 218.5 67.2 28 
Total phosphate (mg-PO43−/L) 27.4 41.8 29.6 71.5 15.4 30.4 
Phosphorus (mg-P/L) 13.8 9.6 23.3 9.8 
BOD5 (mg/L) 610 600 580 700 480 121 
COD (mg/L) 952 2,308 967 1,167 744 207 
Classification High High High High High High 

Note: Nutrient nitrogen was measured as Total Kjeldahl Nitrogen (TKN) instead of total nitrogen.

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