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PH	6.84��8.1	7.2
SS��mg/l��	55��651	152
COD(mg/l)	289��1147	628
BOD5(mg/l)	119��470	257
NH3-N(mg/l)	45��67 ��	59.1
TN��mg/l��	65��87	79.4
BOD5/TN		3.2

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