Question 3029 of 229 · California Water Distribution Operator Exam
What routine attention do in-line chlorine analyzers need?
Exactly one answer is correct.
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Correct answer to question 3029
- D: Regular reagent replacement and calibration against a bench test
Explanation
Reagents expire and sensors drift, so operators compare the instrument with a DPD grab sample and adjust. Good records support the readings.
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