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Water Quality Management: Pool and Spa Chemistry, Exams of Sport Studies

United States Sports Academy (USSA)Sport Studies

Guidelines for maintaining water quality in swimming pools, therapy pools, and hot tubs. It covers essential testing procedures, regulated ranges for ph, total alkalinity, calcium hardness, and cyanuric acid, and methods for adjusting these levels. It also addresses safety measures for employees handling chemicals and potential blood exposure. The document emphasizes the importance of water balance to prevent corrosion or scaling, ensuring a safe and healthy aquatic environment. It also explains the concepts of free available chlorine (fac) and combined available chlorine (cac) and their regulated ranges, along with methods to lower chlorine levels. Useful for pool operators and maintenance staff.

Typology: Exams

2024/2025

Available from 06/07/2025

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12 Reasons why the health inspector will close your pool - 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. bathrooms + drains not working
11. flow rate is too low
12. no phone (landline)
Measuring records as the CPO - 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.
Certified Pool Operator Test Review QUESTIONS AND
ANSWERS RATED A+ 2025|2026 UPDATE
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12 Reasons why the health inspector will close your pool - 1. pump filter not working for more than an hour

  1. main drain is not visible
  2. chemical readings out of range
  3. no pool operator (15 minute grace period)
  4. no lifeguard or cpr certs present
  5. water is below the skimmer line
  6. danger to the public
  7. chlorinator is not working
  8. health inspector is not allowed in
  9. bathrooms + drains not working
  10. flow rate is too low
  11. no phone (landline) Measuring records as the CPO - 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.

Certified Pool Operator Test Review QUESTIONS AND

ANSWERS RATED A+ 202 5 |202 6 UPDATE

5 Factors of Water Balance - pH, Total Alkalinity, Calcium Hardness, Temperature, and total dissolved liquids Corrosive water - pH is too low, dissolves everything it contacts scaling water - pH it too high, mineral deposits on walls or pipes Regulated pH range - 7.2-7. pH reading is tested with Phenol Red To lower pH, - add muriatic acid To raise the pH, - add sodium carbonate (Soda Ash)

  1. sodium bisulfate
  2. carbon dioxide Total Alkalinity - represents the amount of carbonates, bicarbonates, and hydroxides in a solution - you want this to be high, because the pH resists changes in fluctuating

96 for therapy pool 104 for hot tub Saturation Index - - .5-. check once a week for a pool, everyday for a spa Employees have the right to know: - - may come into contact w/blood

  • may come into contact w/ dangerous chemicals
  • personal protection
  • material safety data sheet Cyanuric Acid (CYA) - chemical used to stabilize an outdoor pool (not UV light sensitive) added directly through the skimmer, Regulated Cya levels - 30 - 100 ppm Sodium Hypochlorite NaOCl - Liquid Chlorine, or bleach Chlorine Breakdown

FAC's and CAC's - Free Available Chlorine = good chlorine (disinfects) Combined Available Chlorine = Chloramines = bad stuff you can smell, ammonia and no disinfectants Regulated range for FAC's - 1.5- 10 for a pool 3 - 10 for a wading pool 4 - 10 for a spa Breakpoint for FAC (SHocking the Pool) - TAC-FAC= CAC Breakpoint= FAC + 10(CAC) To lower chlorine levels, - add sodium thiosulfate