Page 1 of 93
FDNY C36 Supervision of Storage and Handling
of Hazardous Materials in Retail Exam Actual
exam Questions with Correct Answers and
explanations LATEST THIS YEAR -JUST
RELEASED
Below is a summarized exam coverage for the FDNY C36 Supervision of Storage and Handling of
Hazardous Materials in Retail exam, followed by 200 randomized, scenario-based MCQs directly
aligned with the exam. No subtopics or domain headings are used—just questions, answers, and concise
rationales. Questions are based on the FDNY C36 Study Guide, NYC Fire Code (Title 29 of the
Administrative Code), NFPA 30 (Flammable and Combustible Liquids), NFPA 1 (Fire Code), hazardous
materials classification, retail storage limits, container types, dispensing, spill control, fire protection,
emergency response, and business practices.
1. A C36 certificate holder is supervising a retail store that sells flammable liquids. The maximum
quantity of Class IA flammable liquid allowed to be stored in a single retail display area without a fire
suppression system is:
A) 10 gallons
B) 15 gallons
C) 20 gallons
D) 30 gallons
Answer: C – NYC Fire Code limits Class IA to 20 gallons in retail display without sprinklers.
, Page 2 of 93
2. A customer brings a 5-gallon metal container to refill with kerosene. The C36 holder must ensure the
container is:
A) Approved for flammable liquids and properly labeled
B) Any container is acceptable
C) Plastic only
D) Glass only
Answer: A – Containers must be approved (e.g., UL-listed) and labeled for the product.
3. A retail store has a bulk storage tank of 500 gallons of diesel fuel (Class II combustible liquid). The tank
must be located at least how many feet from a property line?
A) 5 feet
B) 10 feet
C) 15 feet
D) 25 feet
Answer: B – NFPA 30 requires 10 feet for Class II liquids unless protected.
, Page 3 of 93
4. A C36 certificate holder observes a spill of 2 gallons of paint thinner (Class IB) on the floor. The first
action is to:
A) Evacuate the store
B) Contain the spill with absorbent material
C) Call 911
D) Open the windows
Answer: B – Immediate containment minimizes fire and vapor hazards.
5. A retail store sells aerosol cans containing flammable propellants. The maximum aggregate quantity
of flammable aerosols allowed without a special permit is:
A) 500 pounds
B) 1,000 pounds
C) 1,500 pounds
D) 2,000 pounds
Answer: B – NYC Fire Code limits flammable aerosols to 1,000 pounds in ordinary retail.
, Page 4 of 93
6. A C36 certificate holder must inspect the hazardous materials storage area daily. The inspection must
include checking for:
A) Leaking containers
B) Proper labeling
C) Adequate aisle space
D) All of the above
Answer: D – Daily inspections cover all safety and compliance aspects.
7. A store has a 55-gallon drum of waste oil (Class IIIB). The drum must be stored:
A) In a secondary containment pallet
B) On the bare floor
C) Outdoors without containment
D) Above ceiling tiles
Answer: A – Secondary containment prevents leaks from reaching floor drains.
8. A C36 certificate holder is training a new employee on hazardous material handling. The training must
include:
FDNY C36 Supervision of Storage and Handling
of Hazardous Materials in Retail Exam Actual
exam Questions with Correct Answers and
explanations LATEST THIS YEAR -JUST
RELEASED
Below is a summarized exam coverage for the FDNY C36 Supervision of Storage and Handling of
Hazardous Materials in Retail exam, followed by 200 randomized, scenario-based MCQs directly
aligned with the exam. No subtopics or domain headings are used—just questions, answers, and concise
rationales. Questions are based on the FDNY C36 Study Guide, NYC Fire Code (Title 29 of the
Administrative Code), NFPA 30 (Flammable and Combustible Liquids), NFPA 1 (Fire Code), hazardous
materials classification, retail storage limits, container types, dispensing, spill control, fire protection,
emergency response, and business practices.
1. A C36 certificate holder is supervising a retail store that sells flammable liquids. The maximum
quantity of Class IA flammable liquid allowed to be stored in a single retail display area without a fire
suppression system is:
A) 10 gallons
B) 15 gallons
C) 20 gallons
D) 30 gallons
Answer: C – NYC Fire Code limits Class IA to 20 gallons in retail display without sprinklers.
, Page 2 of 93
2. A customer brings a 5-gallon metal container to refill with kerosene. The C36 holder must ensure the
container is:
A) Approved for flammable liquids and properly labeled
B) Any container is acceptable
C) Plastic only
D) Glass only
Answer: A – Containers must be approved (e.g., UL-listed) and labeled for the product.
3. A retail store has a bulk storage tank of 500 gallons of diesel fuel (Class II combustible liquid). The tank
must be located at least how many feet from a property line?
A) 5 feet
B) 10 feet
C) 15 feet
D) 25 feet
Answer: B – NFPA 30 requires 10 feet for Class II liquids unless protected.
, Page 3 of 93
4. A C36 certificate holder observes a spill of 2 gallons of paint thinner (Class IB) on the floor. The first
action is to:
A) Evacuate the store
B) Contain the spill with absorbent material
C) Call 911
D) Open the windows
Answer: B – Immediate containment minimizes fire and vapor hazards.
5. A retail store sells aerosol cans containing flammable propellants. The maximum aggregate quantity
of flammable aerosols allowed without a special permit is:
A) 500 pounds
B) 1,000 pounds
C) 1,500 pounds
D) 2,000 pounds
Answer: B – NYC Fire Code limits flammable aerosols to 1,000 pounds in ordinary retail.
, Page 4 of 93
6. A C36 certificate holder must inspect the hazardous materials storage area daily. The inspection must
include checking for:
A) Leaking containers
B) Proper labeling
C) Adequate aisle space
D) All of the above
Answer: D – Daily inspections cover all safety and compliance aspects.
7. A store has a 55-gallon drum of waste oil (Class IIIB). The drum must be stored:
A) In a secondary containment pallet
B) On the bare floor
C) Outdoors without containment
D) Above ceiling tiles
Answer: A – Secondary containment prevents leaks from reaching floor drains.
8. A C36 certificate holder is training a new employee on hazardous material handling. The training must
include:
