250
S. Gong et al.
Table 1
Water quality index of water samples for test
COD (mg/L) BOD (mg/L) NH
3 –N
(mg/L)
TN
(mg/L)
TP
(mg/L)
PH
Chroma
(Gledhill et al.
2004)
Turbidity
(NTU)
Olfactory
threshold
(Gledhill et al.
2004)
Total bacteria
(cfu/L)
≤50
≤10
≤5
≤15
≤1.5
6–9
≤20
≤30
≤20
≤1 × 10 3
S. Gong et al.
Table 1
Water quality index of water samples for test
COD (mg/L) BOD (mg/L) NH
3 –N
(mg/L)
TN
(mg/L)
TP
(mg/L)
PH
Chroma
(Gledhill et al.
2004)
Turbidity
(NTU)
Olfactory
threshold
(Gledhill et al.
2004)
Total bacteria
(cfu/L)
≤50
≤10
≤5
≤15
≤1.5
6–9
≤20
≤30
≤20
≤1 × 10 3