In water intended for drinking, E.Coli or thermotolerant coliform bacteria should not be detected in a water sample of _____
- A10 ml
- B100 mlCorrect
- C500 ml
- D1000 ml
Solution
Concept
Coliform standard
Step-by-step solution
1. IS 10500 requires E. coli/thermotolerant coliforms to be absent in any 100 ml sample.
Explanation
IS 10500 requires E. coli/thermotolerant coliforms to be absent in any 100 ml sample.
Shortcut
Absent in 100 ml.
Correct answer: B) 100 ml