Question 4005 of 229 · California Water Distribution Operator Exam
What is the federal MCL for total trihalomethanes (TTHM)?
Exactly one answer is correct.
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Correct answer to question 4005
- D: 0.080 mg/L
Explanation
TTHM is limited to 80 micrograms per liter as a locational running annual average. The HAA5 limit is 0.060 mg/L.
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