Question 2034 of 223 · California Water Treatment Operator Exam
Which of the following disinfection byproducts is regulated as total trihalomethanes (TTHM)?
Exactly one answer is correct.
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Correct answer to question 2034
- C: Chloroform and related compounds formed when chlorine reacts with organic matter
Explanation
THMs form when free chlorine reacts with natural organic matter. The MCL for TTHM is 0.080 mg/L as a locational running annual average.
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