NANTeL Emergency Preparedness and Response 2 — Questions and Answers
Question 1: What is the primary purpose of a Site Emergency Plan (SEP) at a nuclear facility?
- To satisfy NRC annual reporting requirements
- To define the organization, equipment, and procedures for responding to radiological emergencies (Correct answer)
- To document routine maintenance schedules for emergency equipment
- To outline employee vacation and shift rotation policies
Correct answer: To define the organization, equipment, and procedures for responding to radiological emergencies
The SEP establishes the framework of personnel, equipment, and procedures needed to detect, assess, and mitigate radiological emergencies at the site.
Question 2: Which NRC regulation establishes emergency planning requirements for nuclear power plants?
- 10 CFR Part 20
- 10 CFR Part 50 (Correct answer)
- 10 CFR Part 73
- 10 CFR Part 100
Correct answer: 10 CFR Part 50
10 CFR Part 50, specifically Appendix E and § 50.47, establishes the emergency planning and preparedness requirements for nuclear power reactors.
Question 3: During a declared emergency, who typically has the authority to authorize protective action recommendations (PARs) to off-site authorities?
- The Control Room Supervisor
- The Emergency Director (ED) (Correct answer)
- The NRC Resident Inspector
- The Security Shift Supervisor
Correct answer: The Emergency Director (ED)
The Emergency Director holds the authority and responsibility to issue PARs to state and local authorities during a declared emergency.
Question 4: What does 'dose assessment' involve in the context of nuclear emergency response?
- Calculating the financial cost of a radiological release
- Estimating radiation doses to plant workers and the public based on release data and meteorological conditions (Correct answer)
- Measuring the structural damage to reactor containment
- Reviewing training records of emergency responders
Correct answer: Estimating radiation doses to plant workers and the public based on release data and meteorological conditions
Dose assessment combines source term estimates, atmospheric dispersion modeling, and meteorological data to project doses to workers and the public.
Question 5: Which term describes the area within approximately 10 miles of a nuclear plant where direct radiation and inhalation hazards are the primary concern?
- Ingestion Pathway Zone (IPZ)
- Low Population Zone (LPZ)
- Plume Exposure Pathway Emergency Planning Zone (EPZ) (Correct answer)
- Exclusion Area Boundary (EAB)
Correct answer: Plume Exposure Pathway Emergency Planning Zone (EPZ)
The Plume Exposure Pathway EPZ extends about 10 miles and is the focus of evacuation, sheltering, and thyroid blocking protective actions.
Question 6: What is the function of the Technical Support Center (TSC) during a nuclear emergency?
- To serve as the on-site media briefing location
- To provide engineering and technical support to the control room emergency response organization (Correct answer)
- To house state emergency management officials
- To coordinate off-site evacuation traffic routing
Correct answer: To provide engineering and technical support to the control room emergency response organization
The TSC supplements the control room by providing engineering analysis, technical expertise, and coordination support to the on-shift response team.
Question 7: A plant declares an Alert emergency classification. Which statement best describes this level?
- Events are in progress or have occurred that could lead to a release of radioactive material but no release has occurred
- Events are in progress that involve an actual or substantial degradation of the level of safety of the plant (Correct answer)
- A major failure of plant functions needed to protect public health and safety has occurred
- There is no immediate threat to safety and no emergency response action is required
Correct answer: Events are in progress that involve an actual or substantial degradation of the level of safety of the plant
An Alert involves actual or substantial degradation of plant safety, requiring activation of emergency response facilities and notification of off-site agencies.
NANTeL Emergency Preparedness and Response 2
What is the primary purpose of a Site Emergency Plan (SEP) at a nuclear facility?