Certified Pool Operator Handbook Practice Test

Certified Pool Operator Handbook Practice Test 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: 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? 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: high levels of chloramines in the pool 4. To determine the level of chloramines in the water, you should do which of the following? test for total chlorine and free chlorine, then subtract the free chlorine number from the total chlorine