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Table 5

Comparison of WHO standard for various uses of wastewater treated through the system

Experiment seriesParametersWastewater treated through the systemWHO standard for irrigation of ornamental fruit trees and fodder crops (A)
WHO standard for irrigation of vegetables likely to be eaten uncooked (B)
Permissible limitsSystem statusPermissible limitsSystem status
TSS (mg/L) <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
TSS (mg/L) <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
TSS (mg/L) 2.5 <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
Experiment seriesParametersWastewater treated through the systemWHO standard for irrigation of ornamental fruit trees and fodder crops (A)
WHO standard for irrigation of vegetables likely to be eaten uncooked (B)
Permissible limitsSystem statusPermissible limitsSystem status
TSS (mg/L) <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
TSS (mg/L) <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
TSS (mg/L) 2.5 <140 PASS <20 PASS 
BOD (mg/L) <240 PASS <20 PASS 
Thermotolerant coliforms (in 100 mL) <1,000 PASS <200 PASS 
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