Certified Pool Operator Handbook Practice Test – 2023
1. You operate a 120,000-gallon pool, and upon performing your hourly
chemical tests you observe the following readings: Total Available Chlorine
reading is 1.6 free available chlorine reading is 1.5 pH is 7.4 Your supervising
lifeguard has just informed you that you have had a fecal incident occur; a
solid stool has been discharged into the pool. According to the Centers for
Disease Control, as the CPO, you should do the following: - correct answer
✅clear the pool and raise the free chlorine to 2 ppm
2. Assuming that your local health department requires you to raise the free
chlorine to 5 ppm, how much sodium hypochlorite would be needed to raise
the free chlorine in the pool in question #1 to that level? - correct answer
✅3.5 gallons
3. You are the CPO for an indoor health club pool. The facility manager
informs you that he is receiving complaints about a strong chlorine odor in
the pool area, and several members have complained of eye irritation. The
most likely cause of these complaints is: - correct answer ✅high levels of
chloramines in the pool
4. To determine the level of chloramines in the water, you should do which
of the following? - correct answer ✅test for total chlorine and free chlorine,
then subtract the free chlorine number from the total chlorine
Certified Pool Operator Handbook Practice Test – 2023
