10 CFR 50.72(a)(1)(i), Emergency Class Declaration

Emergency Class Declaration

(a) General requirements.

(1) Each nuclear power reactor licensee licensed under §§ 50.21(b) or 50.22 holding an operating license under this part or a combined license under part 52 of this chapter after the Commission makes the finding under § 52.103(g), shall notify the NRC Operations Center via the Emergency Notification System of:

(i) The declaration of any of the Emergency Classes specified in the licensee's approved Emergency Plan; <a href="#N_2_5072" id="ftn2" title="footnote 2 hyperlink">2</a> or

(ii) Those non-emergency events specified in paragraph (b) of this section that occurred within three years of the date of discovery.

(2) If the Emergency Notification System is inoperative, the licensee shall make the required notifications via commercial telephone service, other dedicated telephone system, or any other method which will ensure that a report is made as soon as practical to the NRC Operations Center.<a href="#N_3_5072" id="ftn3" title="footnote 3 hyperlink">3</a>

(3) The licensee shall notify the NRC immediately after notification of the appropriate State or local agencies and not later than one hour after the time the licensee declares one of the Emergency Classes.

(4) The licensee shall activate the Emergency Response Data System (ERDS) <a href="#N_4_5072" id="ftn4" title="footnote 4 hyperlink">4</a> as soon as possible but not later than one hour after declaring an Emergency Class of alert, site area emergency, or general emergency. The ERDS may also be activated by the licensee during emergency drills or exercises if the licensee's computer system has the capability to transmit the exercise data.

(5) When making a report under paragraph (a)(1) of this section, the licensee shall identify:

(i) The Emergency Class declared; or

(ii) Paragraph (b)(1), “One-hour reports,” paragraph (b)(2), “Four-hour reports,” or paragraph (b)(3), “Eight-hour reports,” as the paragraph of this section requiring notification of the non-emergency event.

Classifications

Unusual Event
Alert
Site Area Emergency
General Emergency

v t e Reporting criterion
10 CFR 50.72#a1i (1 hour0.0417 days <br />0.00595 weeks <br />0.00137 months <br />)
10 CFR 50.72 10 CFR 50.72(a)(1)(i), Emergency Class Declaration 10 CFR 50.72(b)(1), 50.54(x) TS Deviation 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown 10 CFR 50.72(b)(2)(iv)(A), ECCS System Actuation 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.72(b)(3)(iv)(A), System Actuation 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident 10 CFR 50.72(b)(3)(v), Loss of Safety Function 10 CFR 50.72(b)(3)(xii), Transport of a Contaminated Person Offsite 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness 10 CFR 50.73 10 CFR 50.73(a)(1), Submit an LER 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i)(C), 50.54(x) TS Deviation 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(iv)(A), System Actuation 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(ix)(A), Prevented Safety Function in Multiple System 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(v)(C), Loss of Safety Function - Release of Radioactive Material 10 CFR 50.73(a)(2)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 72 10 CFR 72.75(b)(2), Offsite Notification 10 CFR 72.75(c)(1), ISFSI Defect 10 CFR 72.75(c)(2), ISFSI Degradation 10 CFR 72.75(d)(1), ISFSI Safety System Functional Failure 10 CFR 73 10 CFR 73.71(b)(1), Safeguards Event 10 CFR 73.77, Cyber security event notifications Fitness for Duty 10 CFR 26.719, Reporting requirements Blind Performance Test 10 CFR 26.719(c)(2), false positive 10 CFR 26.719(c)(3), false negative 10 CFR 26.719(c)(1), 30 day report Other 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect 10 CFR 70.50(a), SNM protective actions prevented 10 CFR 70.50(b)(1), SNM unplanned contamination 10 CFR 70.50(b)(2), SNM equipment failure 10 CFR 70.50(b)(3), SNM medical treatment 10 CFR 70.50(b)(4), SNM fire or explosion All reporting criteria
WEEKMONTHYEAR [Table view]
NUREG-1022, Event Reporting Guidelines for 10 CFR 50.72 and 10 CFR 50.73

10 CFR 50.72(a)(1)(i), Emergency Class Declaration

Classifications

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