Wood In Aviation Practice Test

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When performing water chemistry tests, what is the acceptable range for Free Available Chlorine (FAC) in a residential swimming pool according to common standards?
Correct Answer:
1.0 - 3.0 ppm
Explanation:
A common and acceptable range for Free Available Chlorine (FAC) in residential swimming pools is 1.0 - 3.0 ppm to ensure effective sanitation.

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