Question 1022 of 223 · California Water Treatment Operator Exam
A raw water pH of 5.8 compared with the normal range of 7.2 to 7.6 should be recognized as
Exactly one answer is correct.
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Correct answer to question 1022
- D: an abnormal chemical characteristic that needs investigation
Explanation
A large unexpected pH shift can signal contamination, an upstream spill, acid rain runoff or algal activity. Operators should check, report and adjust treatment as needed.
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