PHMSA Emergency Response
Information Knowledge Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of emergency response information for
hazardous materials shipments?
A. To increase shipping speed
B. To reduce shipping costs
C. To provide guidance for responding to incidents involving hazardous
materials
D. To simplify customs procedures
Answer: C
Rationale: Emergency response information helps responders identify
hazards and take appropriate protective actions during a hazardous
materials incident.
, 2. Who must have immediate access to emergency response information
during transportation?
A. Passengers
B. Vehicle operators and emergency responders
C. Customers only
D. Warehouse visitors
Answer: B
Rationale: Regulations require emergency response information to be
readily available to those responsible for transportation and emergency
response.
3. Which document commonly contains emergency response
information for hazardous materials?
A. Employee handbook
B. Tax record
C. Shipping paper
D. Vehicle registration
Answer: C
Rationale: Shipping papers often include or reference emergency response
information required during transportation.
, 4. What information is typically included in emergency response
information?
A. Driver salary data
B. Company profits
C. Hazards, protective measures, and emergency procedures
D. Customer preferences
Answer: C
Rationale: Emergency response information provides critical hazard and
response guidance for incidents involving hazardous materials.
5. What does the Emergency Response Guidebook (ERG) help
responders do?
A. Calculate taxes
B. Manage payroll
C. Identify hazards and protective actions during transportation incidents
D. Schedule deliveries
Answer: C
Rationale: The ERG provides first responders with guidance for initial
actions during hazardous materials emergencies.
6. When must emergency response information be available?
, A. Only during loading
B. Only during unloading
C. Only during inspections
D. At all times while the hazardous material is in transportation
Answer: D
Rationale: Immediate access is necessary throughout transportation to
ensure effective emergency response.
7. What is the significance of a UN/NA identification number?
A. Employee identification
B. Vehicle registration number
C. Route number
D. A unique identifier for hazardous materials
Answer: D
Rationale: UN/NA numbers help responders quickly identify the material
involved in an incident.
8. Which hazard class includes flammable liquids?
A. Class 2
B. Class 4
Information Knowledge Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of emergency response information for
hazardous materials shipments?
A. To increase shipping speed
B. To reduce shipping costs
C. To provide guidance for responding to incidents involving hazardous
materials
D. To simplify customs procedures
Answer: C
Rationale: Emergency response information helps responders identify
hazards and take appropriate protective actions during a hazardous
materials incident.
, 2. Who must have immediate access to emergency response information
during transportation?
A. Passengers
B. Vehicle operators and emergency responders
C. Customers only
D. Warehouse visitors
Answer: B
Rationale: Regulations require emergency response information to be
readily available to those responsible for transportation and emergency
response.
3. Which document commonly contains emergency response
information for hazardous materials?
A. Employee handbook
B. Tax record
C. Shipping paper
D. Vehicle registration
Answer: C
Rationale: Shipping papers often include or reference emergency response
information required during transportation.
, 4. What information is typically included in emergency response
information?
A. Driver salary data
B. Company profits
C. Hazards, protective measures, and emergency procedures
D. Customer preferences
Answer: C
Rationale: Emergency response information provides critical hazard and
response guidance for incidents involving hazardous materials.
5. What does the Emergency Response Guidebook (ERG) help
responders do?
A. Calculate taxes
B. Manage payroll
C. Identify hazards and protective actions during transportation incidents
D. Schedule deliveries
Answer: C
Rationale: The ERG provides first responders with guidance for initial
actions during hazardous materials emergencies.
6. When must emergency response information be available?
, A. Only during loading
B. Only during unloading
C. Only during inspections
D. At all times while the hazardous material is in transportation
Answer: D
Rationale: Immediate access is necessary throughout transportation to
ensure effective emergency response.
7. What is the significance of a UN/NA identification number?
A. Employee identification
B. Vehicle registration number
C. Route number
D. A unique identifier for hazardous materials
Answer: D
Rationale: UN/NA numbers help responders quickly identify the material
involved in an incident.
8. Which hazard class includes flammable liquids?
A. Class 2
B. Class 4
