NRRPT Regulatory Compliance & Documentation 2 — Questions and Answers
Question 1: Under 10 CFR 20, what is the NRC-required minimum frequency for reviewing and updating a facility's Radiation Protection Program?
- Monthly
- Quarterly
- Annually (Correct answer)
- Every 5 years
Correct answer: Annually
10 CFR 20.1101 requires licensees to review the Radiation Protection Program's content and implementation at least annually.
Question 2: A 'Notice to Workers' (NRC Form 3) must be posted in a location where it is:
- Visible only to supervisors
- Accessible to all workers during normal working hours (Correct answer)
- Kept in the health physics office for reference
- Displayed only during inspections
Correct answer: Accessible to all workers during normal working hours
10 CFR 19.11 requires NRC Form 3 to be posted conspicuously where workers can see it during working hours.
Question 3: Which NRC regulation governs the requirements for posting radiation areas, high radiation areas, and airborne radioactivity areas?
- 10 CFR 19
- 10 CFR 20 Subpart J (Correct answer)
- 10 CFR 50 Appendix B
- 10 CFR 35
Correct answer: 10 CFR 20 Subpart J
10 CFR 20 Subpart J specifically addresses posting requirements for radiation areas, controlled areas, and airborne radioactivity areas.
Question 4: When a licensee discovers that an individual received a dose exceeding an occupational limit, the NRC must be notified no later than:
- Immediately by phone
- Within 4 hours
- Within 24 hours by phone, followed by written report within 30 days (Correct answer)
- Within 30 days in writing only
Correct answer: Within 24 hours by phone, followed by written report within 30 days
10 CFR 20.2202 requires immediate telephone notification within 24 hours and a written report within 30 days for doses exceeding occupational limits.
Question 5: Under DOE O 231.1B, Occurrence Reporting, which category requires notification to DOE Operations Center within 1 hour?
- Unusual Occurrence
- Off-Normal
- Emergency (Correct answer)
- Significant
Correct answer: Emergency
DOE O 231.1B classifies Emergencies as the highest severity level requiring immediate 1-hour notification to the DOE Operations Center.
Question 6: A sealed source inventory verification must be conducted at minimum every:
- 6 months (Correct answer)
- 12 months
- 24 months
- 36 months
Correct answer: 6 months
NRC regulations (10 CFR 39.37 and similar) require physical inventories of sealed sources at least every 6 months to verify presence and integrity.
Question 7: Under OSHA 29 CFR 1910.1096, which exposure limit applies to whole-body occupational radiation dose per calendar quarter?
- 1.25 rem (Correct answer)
- 3 rem
- 5 rem
- 10 rem
Correct answer: 1.25 rem
OSHA 29 CFR 1910.1096 sets a quarterly whole-body occupational dose limit of 1.25 rem (12.5 mSv), equivalent to 5 rem annually.
NRRPT Regulatory Compliance & Documentation 2
Under 10 CFR 20, what is the NRC-required minimum frequency for reviewing and updating a facility's Radiation Protection Program?