FDNY S-25: SUPERVISING HANDLING
AND USE OF CHEMICALS IN SCHOOL
LABS. QUESTIONS AND VERIFIED
ANSWERS JUST RELEASED
1. Which certificate of fitness is specifically required for individuals supervising the handling
and use of chemicals in a school laboratory?
A. C-14
B. S-25
C. G-60
D. P-99
Answer: B
Conceptual Explanation: The S-25 Certificate of Fitness is specifically for the supervision
of chemical handling and use in NYC school laboratories.
2. According to the NFPA 704 diamond, which color represents the ‘Instability’ hazard of a
chemical?
A. Yellow
B. Blue
C. Red
,D. White
Answer: A
Conceptual Explanation: In the NFPA 704 system, Yellow indicates instability, Red
indicates flammability, Blue indicates health, and White is for special hazards.
3. What is the maximum capacity of a glass container allowed for storing Class IA flammable
liquids in a school lab?
A. 1 Quart
B. 1 Pint
C. 1 Gallon
D. 5 Gallons
Answer: B
Conceptual Explanation: FDNY regulations limit Class IA flammable liquids to 1-pint glass
containers to reduce the risk of large fires in the event of breakage.
4. Safety Data Sheets (SDS) are required to follow a specific GHS format containing how many
sections?
A. 10 sections
B. 12 sections
C. 16 sections
D. 14 sections
, Answer: C
Conceptual Explanation: The Global Harmonized System (GHS) mandates that all Safety
Data Sheets must have a standardized 16-section format.
5. A ‘Flammable Liquid’ is defined by the NYC Fire Code as having a flashpoint below:
A. 100°F
B. 140°F
C. 200°F
D. 73°F
Answer: A
Conceptual Explanation: Flammable liquids have a flashpoint below 100°F; those with
flashpoints at or above 100°F are classified as combustible liquids.
6. Safety showers must be capable of discharging water for a minimum of how many
minutes?
A. 15 minutes
B. 10 minutes
C. 5 minutes
D. 20 minutes
Answer: A
AND USE OF CHEMICALS IN SCHOOL
LABS. QUESTIONS AND VERIFIED
ANSWERS JUST RELEASED
1. Which certificate of fitness is specifically required for individuals supervising the handling
and use of chemicals in a school laboratory?
A. C-14
B. S-25
C. G-60
D. P-99
Answer: B
Conceptual Explanation: The S-25 Certificate of Fitness is specifically for the supervision
of chemical handling and use in NYC school laboratories.
2. According to the NFPA 704 diamond, which color represents the ‘Instability’ hazard of a
chemical?
A. Yellow
B. Blue
C. Red
,D. White
Answer: A
Conceptual Explanation: In the NFPA 704 system, Yellow indicates instability, Red
indicates flammability, Blue indicates health, and White is for special hazards.
3. What is the maximum capacity of a glass container allowed for storing Class IA flammable
liquids in a school lab?
A. 1 Quart
B. 1 Pint
C. 1 Gallon
D. 5 Gallons
Answer: B
Conceptual Explanation: FDNY regulations limit Class IA flammable liquids to 1-pint glass
containers to reduce the risk of large fires in the event of breakage.
4. Safety Data Sheets (SDS) are required to follow a specific GHS format containing how many
sections?
A. 10 sections
B. 12 sections
C. 16 sections
D. 14 sections
, Answer: C
Conceptual Explanation: The Global Harmonized System (GHS) mandates that all Safety
Data Sheets must have a standardized 16-section format.
5. A ‘Flammable Liquid’ is defined by the NYC Fire Code as having a flashpoint below:
A. 100°F
B. 140°F
C. 200°F
D. 73°F
Answer: A
Conceptual Explanation: Flammable liquids have a flashpoint below 100°F; those with
flashpoints at or above 100°F are classified as combustible liquids.
6. Safety showers must be capable of discharging water for a minimum of how many
minutes?
A. 15 minutes
B. 10 minutes
C. 5 minutes
D. 20 minutes
Answer: A
