Question 2042 of 236 · California Water Treatment Operator Exam
What is the secondary MCL for iron in drinking water in California?
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Correct answer to question 2042
- B: 0.3 mg/L
Explanation
The secondary MCLs are 0.3 mg/L for iron and 0.05 mg/L for manganese. They are aesthetic limits, not health-based.
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