1
Pool
Pool Operator Certification Exam
Questions with Correct Verified
Solutions 100% Guaranteed Pass
(Latest Update)
1. The basic goal of Hazard Communication Program is: - ANS ✓to ensure
that employers and workers know about work hazards and how to protect
themselves
2. Recreational Water Illnesses - ANS ✓spread by swallowing, breathing or
having contact with contaminated water from swimming pools, spas, hot
tubs, etc.
3. Symptoms of RWI's - ANS ✓-gastrointestinal, skin, ear, respiratory, eye,
neurologic and wound infections
-most common: diarrhea
4. What inactivates crypto? - ANS ✓UV, ozone and chlorine dioxide
inactivate
5. Giardia can be destroyed within ___ min at 1ppm of free chlorine at ph
of ____ or less - ANS ✓45; 7.5
6. Shigella is present in - ANS ✓the diarrheal stools of infected persons
7. Shigellosis usually lasts __-__ days - ANS ✓5-7
Pool Operator Certification
, 2
Pool
8. Protozoa - ANS ✓cryptosporidium
Giardia
9. Bacteria - ANS ✓shigella
E. Coli
10. Viruses - ANS ✓norovirus
Adenovirus
Hepatitis a
11. What is the response for formed stool? - ANS ✓1. Raise the free
available chlorine level to 2 ppm and ensure the ph is 7.5 or less at 77 deg.
Or higher
2. Maintain the chlorine concentration for at least 25 min before opening the pool
3. Ensure the filtration system is operating while the pool reaches and maintains
the proper free chlorine concentration
12. What is the response for diarrheal discharge? - ANS ✓1. Raise
the free available chlorine level to 20 ppm
2. Maintain the ph of 7.5 or less at 77 deg. Or higher
3. Maintain the ph and chlorine level for 12.75 hours
4. Backwash the filter after full disinfection time
5. Return the chlorine level to normal levels
13. Contamination Time (CT) value - ANS ✓-the concentration of free
chlorine in ppm times time in min
14. What is the CT value for giardia? - ANS ✓45
Pool Operator Certification
, 3
Pool
15. What is the CT value for crypto - ANS ✓15,300
16. Hypochlorous acid (hcl) - ANS ✓-inactivates pathogens and alage
-oxidizes
-the active killing form of chlorine in water
17. Free chlorine - ANS ✓the active available disinfectant in the water
FC= hocl + ocl-
18. Combined chlorine - ANS ✓forms when free chlorine reacts with 2
types of contaminants in the water
19. Pathogens - ANS ✓bacteria, fungi, viruses and protozoan parasites
20. Available chlorine content (acc) - ANS ✓-comparison of the
relative amount of chlorine released into water for different chlorine
disinfectants
-developed using chlorine gas as the standard reference of 100%
21. Active chlorine percentage - ANS ✓the percentage by weight of
the technical grade active ingredient in the product
22. How does sodium hypochlorite raise the water's Total Dissolved
Solids? - ANS ✓by adding sodium (Na+) and chloride (Cl-) ions to the
water
23. Sodium hypochlorite (naocl) - ANS ✓-liquid chlorine releasing
disinfectant that is the most common disinfectant used
Pool Operator Certification
Pool
Pool Operator Certification Exam
Questions with Correct Verified
Solutions 100% Guaranteed Pass
(Latest Update)
1. The basic goal of Hazard Communication Program is: - ANS ✓to ensure
that employers and workers know about work hazards and how to protect
themselves
2. Recreational Water Illnesses - ANS ✓spread by swallowing, breathing or
having contact with contaminated water from swimming pools, spas, hot
tubs, etc.
3. Symptoms of RWI's - ANS ✓-gastrointestinal, skin, ear, respiratory, eye,
neurologic and wound infections
-most common: diarrhea
4. What inactivates crypto? - ANS ✓UV, ozone and chlorine dioxide
inactivate
5. Giardia can be destroyed within ___ min at 1ppm of free chlorine at ph
of ____ or less - ANS ✓45; 7.5
6. Shigella is present in - ANS ✓the diarrheal stools of infected persons
7. Shigellosis usually lasts __-__ days - ANS ✓5-7
Pool Operator Certification
, 2
Pool
8. Protozoa - ANS ✓cryptosporidium
Giardia
9. Bacteria - ANS ✓shigella
E. Coli
10. Viruses - ANS ✓norovirus
Adenovirus
Hepatitis a
11. What is the response for formed stool? - ANS ✓1. Raise the free
available chlorine level to 2 ppm and ensure the ph is 7.5 or less at 77 deg.
Or higher
2. Maintain the chlorine concentration for at least 25 min before opening the pool
3. Ensure the filtration system is operating while the pool reaches and maintains
the proper free chlorine concentration
12. What is the response for diarrheal discharge? - ANS ✓1. Raise
the free available chlorine level to 20 ppm
2. Maintain the ph of 7.5 or less at 77 deg. Or higher
3. Maintain the ph and chlorine level for 12.75 hours
4. Backwash the filter after full disinfection time
5. Return the chlorine level to normal levels
13. Contamination Time (CT) value - ANS ✓-the concentration of free
chlorine in ppm times time in min
14. What is the CT value for giardia? - ANS ✓45
Pool Operator Certification
, 3
Pool
15. What is the CT value for crypto - ANS ✓15,300
16. Hypochlorous acid (hcl) - ANS ✓-inactivates pathogens and alage
-oxidizes
-the active killing form of chlorine in water
17. Free chlorine - ANS ✓the active available disinfectant in the water
FC= hocl + ocl-
18. Combined chlorine - ANS ✓forms when free chlorine reacts with 2
types of contaminants in the water
19. Pathogens - ANS ✓bacteria, fungi, viruses and protozoan parasites
20. Available chlorine content (acc) - ANS ✓-comparison of the
relative amount of chlorine released into water for different chlorine
disinfectants
-developed using chlorine gas as the standard reference of 100%
21. Active chlorine percentage - ANS ✓the percentage by weight of
the technical grade active ingredient in the product
22. How does sodium hypochlorite raise the water's Total Dissolved
Solids? - ANS ✓by adding sodium (Na+) and chloride (Cl-) ions to the
water
23. Sodium hypochlorite (naocl) - ANS ✓-liquid chlorine releasing
disinfectant that is the most common disinfectant used
Pool Operator Certification
