CSLB C-55 Practice Questions - California CSLB C-55 Water Conditioning Examination Exam

What pH range is generally considered acceptable for drinking water per EPA secondary standards?

6.5 – 8.5 5.5 – 7.0 7.0 – 9.5 6.0 – 7.5

Correct Answer:

6.5 – 8.5

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