Computer · Environmental Engineering
In a water treatment plant, why are fecal coliform levels monitored as indicator organisms?
- 1Their presence indicates fecal contamination and correlates with the probability of waterborne pathogens being present✓
- 2There is a direct correlation between fecal coliform counts and nitrite concentration
- 3Pathogenic microorganisms are easily isolated and quantified directly
- 4They directly cause the majority of waterborne diseases in humans
Correct answer
Their presence indicates fecal contamination and correlates with the probability of waterborne pathogens being present
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