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Free Water Treatment Operator Class I Practice Questions
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Question 1 of 10Treatment Process
A CT table used for disinfection credit lists a required contact time for a given disinfectant residual, and this required value changes depending on the documented water temperature and pH the operator enters when looking up the table. When comparing a cold, high-pH sample against a warm, low-pH sample at the same residual, how does the required contact time typically differ between the two?
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