(NPLQ) National Pool Lifeguard Qualification Practice Test
NPLQ - National Pool Lifeguard Qualification NPLQ NPLQ Water Quality and Chemical Management Questions and Answers
What is the recommended free chlorine level for a public swimming pool in the US?
Select your answer
A
1–3 ppm
B
5–8 ppm
C
0.1–0.5 ppm
D
10–15 ppm
Hint