Pesticides Practice Exam Questions And

FDNY C97 Supervision of Storage and Handling of Combustible and/or Toxic Fumigants and Pesticides Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary purpose of the C97 regulations?
• To limit the use of flammable liquids in households
• To ensure safe storage and handling of combustible and/or toxic

fumigants and pesticides

• To regulate transportation of all hazardous chemicals
• To govern agricultural pesticide application

Rationale: The C97 regulations are specifically designed to provide

guidelines for the safe storage, handling, and supervision of combustible and toxic fumigants and pesticides to prevent fires, explosions, and health hazards. 1 / 4

• Which of the following is considered a combustible fumigant?
• Carbon dioxide
• Aluminum phosphide
• Sulfur dioxide
• Water vapor

Rationale: Aluminum phosphide is a solid fumigant that releases phosphine

gas, which is highly combustible.

3. Under C97, a pesticide is considered toxic if:

• It smells strong
• It is flammable
• It can cause harm or death if inhaled, ingested, or absorbed
• It is stored outdoors

Rationale: Toxicity refers to the chemical’s potential to cause injury or death through exposure, regardless of its flammability.

• What is the minimum separation distance required between a C97

storage facility and a public building?

• 10 feet
• 25 feet
• 50 feet
• 100 feet

Rationale: C97 requires a minimum distance of 100 feet from public

buildings to reduce risk to the public in case of fire or chemical release. 2 / 4

• Which fire extinguisher is suitable for a combustible fumigant fire?
• Water only
• Foam only
• Dry chemical or CO₂
• Wet cloth

Rationale: Dry chemical and CO₂ extinguishers are effective on fires involving combustible chemicals and fumigants, while water may be ineffective or dangerous.

• What is the correct storage requirement for toxic pesticides under

C97?

• Store next to food supplies
• Store in a ventilated, locked, and labeled facility
• Store near heat sources
• Store outdoors in open containers

Rationale: Toxic pesticides must be secured in ventilated, locked areas with

proper labeling to prevent accidental exposure.

7. A C97 supervisor must inspect storage facilities:

• Once a year
• Once every five years
• Regularly, according to facility operations and hazards
• Only after an incident 3 / 4

Rationale: Regular inspections ensure ongoing compliance with safety

standards and help prevent accidents.

• Which of the following is a key indicator of chemical instability?
• Clear labeling
• Proper ventilation
• Formation of gas, smoke, or unusual odor
• Locked storage

Rationale: Unusual odors, gas formation, or smoke are signs that a chemical

may be decomposing or unstable.

• How should spilled fumigants be handled?
• Sweep into the nearest trash
• Evacuate area and follow C97 spill procedures
• Dilute with water
• Leave it to evaporate

Rationale: Spills of toxic or combustible materials must be handled carefully

following approved procedures to prevent fire, explosion, or poisoning.

• What is the primary hazard associated with aluminum

phosphide?

• Burns from contact
• Phosphine gas release
• Acidic reaction with water
• Radioactive contamination
• / 4