Certified Pool Operator New Exam With Complete
Solutions 100% Verified
12 Reasons why the health inspector will close your pool - ANSWER 1. pump filter not
working for more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to the public
8. chlorinator is not working
9. health inspector is not allowed in
10. toilets + drains not working
11. flow rate is too low
12. no phone (land-line)
Measuring records as the CPO - ANSWER Operator must test the water for Cl and pH
every hour, and Total Alkalinity, Calcium Hardness and Cyanuric Acid once per week.
Records must be maintained on site and available for at least 2 years at the pool and 3
years total.
5 Water Balance Factors - ANSWER pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - ANSWER pH is too low, dissolves everything it contacts
,Scaling water - ANSWER pH it too high, mineral deposits on walls or pipes
Controlled pH range - ANSWER 7.2-7.8
The pH reading is tested with Phenol Red
To decrease pH, - ANSWER add muriatic acid
To raise the pH, - ANSWER add Soda Ash (Sodium Carbonate)
2. Sodium Bisulfate
3. carbon dioxide
Total Alkalinity - ANSWER it is a measurement of the content of carbonates,
bicarbonates, and hydroxides - you want that number to be high, as it resists pH
changes caused by fluctuation
pH Bounce - ANSWER low total alkalinity
Managed Total Alkalinity range - ANSWER 60-180 ppm; the ideal would be 100ppm.
To reduce Total Alkalinity, - ANSWER add muriatic acid
To increase Total Alkalinity, - ANSWER add Baking Soda
Calcium Hardness - ANSWER amount of calcium and magnesium in the water (mineral
content in water)
Controlled calcium hardness range - ANSWER 150-400ppm
,To increase Calcium Hardness, - ANSWER add calcium chloride
Total Dissolved Liquids (TDS) - ANSWER sum of all organic and inorganic materials
dissolved in the water- cannot be removed with a chemical----- <1500 ppm allowed in
water
Temperature - ANSWER Max temps = 88 for swimming pool
96 for therapy pool
104 for hot tub
Saturation Index - ANSWER -.5-.5
check once a week for a pool, everyday for a spa
Employees have a right to know:
- ANSWER- may contact with the blood
- may come in contact w/ harmful chemicals
personal protective equipment
material safety data sheet
CYANURIC ACID-CYA ANSWER Chemical added directly through the skimmer, for
outside pools stabilizing (not light sensitive with ultraviolet light.
Regulated level of CYA 30-100 ppm
SODIUM HYPUCHLORITE-NaOCl ANSWER liquid chlorine or bleach
BREAK DOWN OF CHLORINE
FAC's and CAC's - ANSWER Free Available Chlorine = good chlorine disinfects
Combined Available Chlorine = Chloramines = bad stuff you can smell, ammonia and no
disinfectants
, Regulated range for FAC's - ANSWER 1.5-10 for a pool
3-10 for a wading pool
4-10 for a spa
Breakpoint for FAC SHocking the Pool - ANSWER TAC-FAC= CAC
Breakpoint= FAC + 10(CAC)
when can you stop backwashing - ANSWER when water in sight glass appears to be
clear
how often should in a sand filter be replaced - ANSWER every 3-5 years
Channeling - ANSWER a damaging condition that occurs over time in sand filters.
When sand becomes hard, water goes around sand and unfiltered water returns to the
pool
best type of filter and why - ANSWER D.E. filter b/c can trap particules up to 3-5
microns
what does happen when filter becomes loaded w/ dirt? - ANSWER amt of water which
can pass through filter decrease
Labels and Postings - ANSWER Valves and pumps in the pump room MUST be labeled,
and operating instructions MUST be posted.
Pool turnover rate - ANSWER the amount of time that it takes all of the water in the pool
to pass though the filter
3 Types of Pool Algae - ANSWER Green, Black, Mustard
Solutions 100% Verified
12 Reasons why the health inspector will close your pool - ANSWER 1. pump filter not
working for more than an hour
2. main drain is not visible
3. chemical readings out of range
4. no pool operator (15 minute grace period)
5. no lifeguard or cpr certs present
6. water is below the skimmer line
7. danger to the public
8. chlorinator is not working
9. health inspector is not allowed in
10. toilets + drains not working
11. flow rate is too low
12. no phone (land-line)
Measuring records as the CPO - ANSWER Operator must test the water for Cl and pH
every hour, and Total Alkalinity, Calcium Hardness and Cyanuric Acid once per week.
Records must be maintained on site and available for at least 2 years at the pool and 3
years total.
5 Water Balance Factors - ANSWER pH, Total Alkalinity, Calcium Hardness,
Temperature, and total dissolved liquids
Corrosive water - ANSWER pH is too low, dissolves everything it contacts
,Scaling water - ANSWER pH it too high, mineral deposits on walls or pipes
Controlled pH range - ANSWER 7.2-7.8
The pH reading is tested with Phenol Red
To decrease pH, - ANSWER add muriatic acid
To raise the pH, - ANSWER add Soda Ash (Sodium Carbonate)
2. Sodium Bisulfate
3. carbon dioxide
Total Alkalinity - ANSWER it is a measurement of the content of carbonates,
bicarbonates, and hydroxides - you want that number to be high, as it resists pH
changes caused by fluctuation
pH Bounce - ANSWER low total alkalinity
Managed Total Alkalinity range - ANSWER 60-180 ppm; the ideal would be 100ppm.
To reduce Total Alkalinity, - ANSWER add muriatic acid
To increase Total Alkalinity, - ANSWER add Baking Soda
Calcium Hardness - ANSWER amount of calcium and magnesium in the water (mineral
content in water)
Controlled calcium hardness range - ANSWER 150-400ppm
,To increase Calcium Hardness, - ANSWER add calcium chloride
Total Dissolved Liquids (TDS) - ANSWER sum of all organic and inorganic materials
dissolved in the water- cannot be removed with a chemical----- <1500 ppm allowed in
water
Temperature - ANSWER Max temps = 88 for swimming pool
96 for therapy pool
104 for hot tub
Saturation Index - ANSWER -.5-.5
check once a week for a pool, everyday for a spa
Employees have a right to know:
- ANSWER- may contact with the blood
- may come in contact w/ harmful chemicals
personal protective equipment
material safety data sheet
CYANURIC ACID-CYA ANSWER Chemical added directly through the skimmer, for
outside pools stabilizing (not light sensitive with ultraviolet light.
Regulated level of CYA 30-100 ppm
SODIUM HYPUCHLORITE-NaOCl ANSWER liquid chlorine or bleach
BREAK DOWN OF CHLORINE
FAC's and CAC's - ANSWER Free Available Chlorine = good chlorine disinfects
Combined Available Chlorine = Chloramines = bad stuff you can smell, ammonia and no
disinfectants
, Regulated range for FAC's - ANSWER 1.5-10 for a pool
3-10 for a wading pool
4-10 for a spa
Breakpoint for FAC SHocking the Pool - ANSWER TAC-FAC= CAC
Breakpoint= FAC + 10(CAC)
when can you stop backwashing - ANSWER when water in sight glass appears to be
clear
how often should in a sand filter be replaced - ANSWER every 3-5 years
Channeling - ANSWER a damaging condition that occurs over time in sand filters.
When sand becomes hard, water goes around sand and unfiltered water returns to the
pool
best type of filter and why - ANSWER D.E. filter b/c can trap particules up to 3-5
microns
what does happen when filter becomes loaded w/ dirt? - ANSWER amt of water which
can pass through filter decrease
Labels and Postings - ANSWER Valves and pumps in the pump room MUST be labeled,
and operating instructions MUST be posted.
Pool turnover rate - ANSWER the amount of time that it takes all of the water in the pool
to pass though the filter
3 Types of Pool Algae - ANSWER Green, Black, Mustard
