Aquatic Facility Operator Final Exam
2025–2026 – Complete Exam Q&A Review
Material
Introduction:
This document contains a comprehensive set of questions and
answers covering the full scope of the Aquatic Facility
Operator (AFO) Final Exam for the 2025–2026 academic year.
It includes pool water chemistry, filtration and circulation
systems, safety regulations, emergency procedures, staffing
policies, and Ontario Health and municipal requirements. The
material is well suited as a final exam study guide or last-
minute review for AFO certification preparation.
Exam Questions and Answers:
What do typical chemical controllers measure? -Answer:-ORP
and pH
What do chemical controllers NOT replace? -Answer:-pool
operator
,What is oxidation reduction potential (ORP)? -Answer:-
qualitative measure of chlorine's work value (how well it's
working)
What is the standard minimum ORP for virtually instantaneous
pathogen deactivation? -Answer:-650mV
What can an acid demand test tell you? -Answer:-used to
determine how much muriatic acid must be added to high pH
water to reach a desired value
In a DPD test, what does a flash of pink and then clear tell you?
-Answer:-Cl2 residual is very high
Acid wash is what? -Answer:-damaging last resort
Water cloudiness can be due to what? -Answer:-precipitation
of calcium
What are polymers? -Answer:-liquid filter acids
, What do enzymes do? -Answer:-digest body fluids and oily
polymers
Contacted after hours or on weekends for emergency help or
directions when PTAC or CRP are unavailable -Answer:-On-Call
Supervisor
Designated locations for media arrival, including Alex Duff
ODP, Summerville ODP, McGregor Park ODP, Monarch ODP,
Sunnyside Gus Ryder ODP -Answer:-Media Friendly Sites
Includes name of media outlet, contact info, arrival time,
purpose of visit -Answer:-Pool Logbook Documentation
If CRP is unavailable, contact on-call supervisor to determine
pool closure necessity -Answer:-16.1 Inspection
Situation requiring on-call supervisor notification -Answer:-
Workplace Violence
Involves notifying on-call supervisor, PTAC, CRP, Ministry of
Labour, and documenting incident -Answer:-Critical Injury
2025–2026 – Complete Exam Q&A Review
Material
Introduction:
This document contains a comprehensive set of questions and
answers covering the full scope of the Aquatic Facility
Operator (AFO) Final Exam for the 2025–2026 academic year.
It includes pool water chemistry, filtration and circulation
systems, safety regulations, emergency procedures, staffing
policies, and Ontario Health and municipal requirements. The
material is well suited as a final exam study guide or last-
minute review for AFO certification preparation.
Exam Questions and Answers:
What do typical chemical controllers measure? -Answer:-ORP
and pH
What do chemical controllers NOT replace? -Answer:-pool
operator
,What is oxidation reduction potential (ORP)? -Answer:-
qualitative measure of chlorine's work value (how well it's
working)
What is the standard minimum ORP for virtually instantaneous
pathogen deactivation? -Answer:-650mV
What can an acid demand test tell you? -Answer:-used to
determine how much muriatic acid must be added to high pH
water to reach a desired value
In a DPD test, what does a flash of pink and then clear tell you?
-Answer:-Cl2 residual is very high
Acid wash is what? -Answer:-damaging last resort
Water cloudiness can be due to what? -Answer:-precipitation
of calcium
What are polymers? -Answer:-liquid filter acids
, What do enzymes do? -Answer:-digest body fluids and oily
polymers
Contacted after hours or on weekends for emergency help or
directions when PTAC or CRP are unavailable -Answer:-On-Call
Supervisor
Designated locations for media arrival, including Alex Duff
ODP, Summerville ODP, McGregor Park ODP, Monarch ODP,
Sunnyside Gus Ryder ODP -Answer:-Media Friendly Sites
Includes name of media outlet, contact info, arrival time,
purpose of visit -Answer:-Pool Logbook Documentation
If CRP is unavailable, contact on-call supervisor to determine
pool closure necessity -Answer:-16.1 Inspection
Situation requiring on-call supervisor notification -Answer:-
Workplace Violence
Involves notifying on-call supervisor, PTAC, CRP, Ministry of
Labour, and documenting incident -Answer:-Critical Injury
