AQUATIC FACILITY OPERATOR
COMPREHENSIVE TEST PAPER 2026
COMPLETE SOLUTIONS
◉ OSHA has estimated that more than ____ million workers are
exposed to 650,000 hazardous chemical products in more than ___
million American workplaces. Answer: 32; 3
◉ the basic goal of Hazard Communication Program is:. Answer: to
ensure that employers and workers know about work hazards and
how to protect themselves
◉ Recreational Water Illnesses. Answer: spread by swallowing,
breathing or having contact with contaminated water from
swimming pools, spas, hot tubs, etc.
◉ symptoms of RWI's. Answer: -gastrointestinal, skin, ear,
respiratory, eye, neurologic and wound infections
-most common: diarrhea
◉ what inactivates crypto?. Answer: UV, ozone and chlorine dioxide
inactivate
,◉ giardia can be destroyed within ___ min at 1ppm of free chlorine at
pH of ____ or less. Answer: 45; 7.5
◉ shigella is present in. Answer: the diarrheal stools of infected
persons
◉ shigellosis usually lasts __-__ days. Answer: 5-7
◉ protozoa. Answer: cryptosporidium
giardia
◉ bacteria. Answer: shigella
E. coli
◉ viruses. Answer: norovirus
adenovirus
hepatitis a
◉ what is the response for formed stool?. Answer: 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
◉ what is the response for diarrheal discharge?. Answer: 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
◉ Contamination Time (CT) value. Answer: -the concentration of
free chlorine in ppm times time in min
◉ what is the CT value for giardia?. Answer: 45
◉ what is the CT value for crypto. Answer: 15,300
◉ hypochlorous acid (HCl). Answer: -inactivates pathogens and
alage
-oxidizes
-the active killing form of chlorine in water
COMPREHENSIVE TEST PAPER 2026
COMPLETE SOLUTIONS
◉ OSHA has estimated that more than ____ million workers are
exposed to 650,000 hazardous chemical products in more than ___
million American workplaces. Answer: 32; 3
◉ the basic goal of Hazard Communication Program is:. Answer: to
ensure that employers and workers know about work hazards and
how to protect themselves
◉ Recreational Water Illnesses. Answer: spread by swallowing,
breathing or having contact with contaminated water from
swimming pools, spas, hot tubs, etc.
◉ symptoms of RWI's. Answer: -gastrointestinal, skin, ear,
respiratory, eye, neurologic and wound infections
-most common: diarrhea
◉ what inactivates crypto?. Answer: UV, ozone and chlorine dioxide
inactivate
,◉ giardia can be destroyed within ___ min at 1ppm of free chlorine at
pH of ____ or less. Answer: 45; 7.5
◉ shigella is present in. Answer: the diarrheal stools of infected
persons
◉ shigellosis usually lasts __-__ days. Answer: 5-7
◉ protozoa. Answer: cryptosporidium
giardia
◉ bacteria. Answer: shigella
E. coli
◉ viruses. Answer: norovirus
adenovirus
hepatitis a
◉ what is the response for formed stool?. Answer: 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
◉ what is the response for diarrheal discharge?. Answer: 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
◉ Contamination Time (CT) value. Answer: -the concentration of
free chlorine in ppm times time in min
◉ what is the CT value for giardia?. Answer: 45
◉ what is the CT value for crypto. Answer: 15,300
◉ hypochlorous acid (HCl). Answer: -inactivates pathogens and
alage
-oxidizes
-the active killing form of chlorine in water
