Question 5017 of 223 · California Water Treatment Operator Exam
The maximum residual disinfectant level (MRDL) for chlorine and chloramines is
Exactly one answer is correct.
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Correct answer to question 5017
- C: 4.0 mg/L as Cl2
Explanation
The MRDL for chlorine is 4.0 mg/L as Cl2, for chloramine 4.0 mg/L as Cl2 and for chlorine dioxide 0.8 mg/L, calculated as a running annual average.
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