Pool and Spa Operator Certification EXAM STUDY GUIDE 2025/2026 COMPLETE QUESTIONS BANK AND CORRECT DETAILED ANSWERS WITH RATIONALES || 100% GUARANTEED PASS <BRAND NEW VERSION>

Pool and Spa Operator Certification EXAM STUDY GUIDE 2025/2026 COMPLETE QUESTIONS BANK AND CORRECT DETAILED ANSWERS WITH RATIONALES || 100% GUARANTEED PASS &lt;BRAND NEW VERSION&gt; 1. Public pools are classified in the following manner - ANSWER Class A pools, Class B Pools, Class C Pools, Class D Pools, Class E Pools, Class F pools 2. Class A Pools - ANSWER Competitive pools, but is not limited to competitive events may be used for recreational purposes 3. Class B pools - ANSWER Pool intended for public recreational use, refereed to as a public pool 4. Class C Pools - ANSWER For use by apartments, condominiums, property owners, hotels, associations, etc. also referred to as a Semi Public Pool 5. Class D Pools - ANSWER Special operated pools, examples are wave pools, surf, action, activity, leisure rivers, ect. Referred to in code books as other pool or Aquatic Recreational Facilities 6. Class E Pools - ANSWER Any pool used for physical therapy and operated above 86 degree Fahrenheit. This type of pool is sometimes referred to as a therapy pool 7. Class F pools - ANSWER Kiddie pools or Wading pools 8. What is free chlorine - ANSWER Is the active available disinfectant in water. It is the HOCI plus OCI 9. What is the common practice to maintain free chlorine - ANSWER 2 to 4 ppm and minimum in us is 1 part per million 10. What is combined chlorine - ANSWER When free chlorine reacts with two types of contaminants in the water , ammonia and nitrogen compounds 11. Available chlorine content is a comparison of the relative amount of chlorine released into water for different chlorine disinfectants. - ANSWER Active chlorine percentage is the percentage by weight of the technical grade active ingredient in the product. 12. Most common chlorine in commercial pools - ANSWER Sodium hypochlorite 13. What chlorine is in tablets or granular tablets - ANSWER Calcium Hypochlorite 14. HOCI is what - ANSWER Hypochlorous Acid or also referred to as chlorine 15. Any form of chlorine plus what're equals what - ANSWER Hypochlorous acid 16. What is Hypochloroud acid - ANSWER It is the active killing form of chlorine 17. Free chlorine - ANSWER Is the active available disinfectant in the water 18. Free chlorine equals what - ANSWER HOCI plus OCI(Hypoclorite ion) 19. What is Combined Chlorine - ANSWER It is a form of free chlorine threat reacts with two types of contaminants in the water. It when it reacts with ammonia and inorganic chloramines which do not contain carbon 20. What is OCI - ANSWER Hypochlorite ION 21. What is NH2CI - ANSWER Combined Chlorine 22. What is FC - ANSWER Free chlroine 23. What is HOCI - ANSWER Hypochlorous acid 24. What is H+ - ANSWER Hydrogen ION 25. What is XCI - ANSWER Any form of chlorine 26. What is XCI plus H2O - ANSWER HOCI 27. What is NH3 - ANSWER Ammonia 28. Is combined chlorine a effective disinfectant - ANSWER No, that's why it is important to know how much combined chlorine you have in the pool 29. Sodium Hypochlorite - ANSWER Liquid chlorine releasing disinfectant that the most common disinfectant used to treat commercial pools. Active strength is 10 to 12 percent ACC is 10 to 12 percent Ph is 9 to 30. PH - ANSWER PH is the acid level in pools 31. What do unstabilized disinfectant not have - ANSWER Carbon atom 32. A swimming pool is a permanent structure in the ground, or partially in the ground, that is capable of holding water with a depth ___________ than 42 inches outside a building. - ANSWER greater 33. T/F: Hot tubs or spas move and change water in way similar to that of a pool. - ANSWER True 34. There are _____ gallons of water in 1 cubic foot of water. - ANSWER 7.5 35. T/F: "1 ppm" means one part mixed with a million parts. - ANSWER True 36. 8.3 pounds of water equals out to ________ gallon(s). - ANSWER one 37. The most common in-ground pool shell is made of _____. concrete, plastic, or fiberglass tile? - ANSWER concrete 38. Most _____ are made of fiberglass or acrylic, unless they are designed and built on-site. spas or pools - ANSWER Spas 39. Above-ground pools should be level within ______. 1 inch, 1/4-inch, or 1 foot 3 inches? - ANSWER 1 inch 40. The top part of a pool wall is called the ______, which supports the coping and edge around the pool. bond beam, I-beam, or parapet cope stock - ANSWER bond beam 41. True or False: Pool operator certification is required by law? - ANSWER False. Though many organizations require it as well as insurance companies. 42. What are the key factors in a risk management plan? - ANSWER Negligence, standard of care, duty of care, and record keeping. 43. What is included in risk management? - ANSWER Prevention of injuries to patrons and staff, protection of facility assets, and minimizing of legal liability. 44. What impacts aquatic industry regulations and standards? - ANSWER Water quality and disinfection, facility design and construction, and facility operation and management. 45. What is the difference between a standard and regulation? - ANSWER A standard is a recommend guideline, while a regulation is mandatory. 46. What are the health's department's impacts on an aquatic facility? - ANSWER Source for operating permits, site inspections, and regulations. 47. What is a Material Safety Data Sheet (MSDS)? - ANSWER A sheet required for chemicals stored and used in commercial operations, and should be required as part of hazard communication. 48. Where should standards be located? - ANSWER Near chemical storage and on file, as well as available to all employees at no cost to them. 49. What type of information do MSDS provide? - ANSWER General info, physical data, hazardous ingredients, fire and explosion data, reactivity data, health hazard data, spill or leak procedures and special protection, and control measures. 50. This center proves guidelines for handling feces and diarrhea discharge, which this course funds? - ANSWER Center for Disease Control and Prevention Guidelines 51. Meters x meters = ? - ANSWER square meters 52. Most common amount conversions? - ANSWER Fluid, dry, and chemical qualities 53. An example of a two dimensional surface? - ANSWER Pool walls and flow 54. Surface area = ? - ANSWER length x width 55. What is the pool water? - ANSWER Area of pool water exposed to air 56. How to find the surface area of a circular pool? - ANSWER radius x radius x pie 57. How to find the surface area of oval pool? - ANSWER a x b x pie 58. Pool volume = ? - ANSWER SA (surface area) x average depth (meters) x 1000 liters/m^3 59. Average depth? - ANSWER (Shallow end (m) + deep end (m)) / 2 60. If you have a multi depth pool, what must you do to find SA and volume? - ANSWER Break the pool up into sections 61. If you have a spa, how do you find SA and volume? - ANSWER Break spa up by calculating SA and volume from the top seat separately from the second section in the foot well. 62. What is important for management? - ANSWER Planning, organizing, leading, and controlling 63. What is a pool operator's responsibility? - ANSWER To reduce hazards in and around pool 64. What type of illnesses are caused by water contamination? - ANSWER Fecal related and non enteric (non fecal) related illnesses 65. Name fecal related illnesses? - ANSWER Crypto, giardia, shigella, eschericha coli, adenovirus, and hepatitis a 66. What to do when there is a solid stool accident? - ANSWER 1) remove swimmers 2) maintain pH between 7.2-7.5 3) raise chlorine to 2.0 mg/L 4) Let swimmers reenter after 30 minutes 67. What to do for diarrhea discharge? - ANSWER 1) remove swimmers 2) maintain pH between 7.2-7.5 3) raise chlorine 20.0 mg/L for 12.75 hours 4) backwash filters to waste 5) reduce chlorine to normal 68. When handling chemicals what should you do? - ANSWER Wear gloves, remove excess contaminated materials, disinfect anything that comes in contact with, ways hands, and follow guidelines 69. Name non fecal related illnesses? - ANSWER Pseudomonas aeruginosa, swimmer's ear, legionnaires disease, molluscipozvirus, plantar warts, and athlete's foot