Appendix A to Part 70 - Reportable Safety Events
10:2.0.1.1.10.10.121.3.11 : Appendix A
Appendix A to Part 70 - Reportable Safety Events
Licensees must comply with reporting requirements in this
appendix. As required by 10 CFR 70.74, licensees subject to the
requirements in subpart H of part 70, shall report:
(a) One hour reports. Events to be reported to the NRC
Operations Center within 1 hour of discovery, supplemented with the
information in 10 CFR 70.50(c)(1) as it becomes available, followed
by a written report within 60 days:
(1) An inadvertent nuclear criticality.
(2) An acute intake by an individual of 30 mg or greater of
uranium in a soluble form.
(3) An acute chemical exposure to an individual from licensed
material or hazardous chemicals produced from licensed material
that exceeds the quantitative standards established to satisfy the
requirements in § 70.61(b)(4).
(4) An event or condition such that no items relied on for
safety, as documented in the Integrated Safety Analysis summary,
remain available and reliable, in an accident sequence evaluated in
the Integrated Safety Analysis, to perform their function:
(i) In the context of the performance requirements in § 70.61(b)
and § 70.61(c), or
(ii) Prevent a nuclear criticality accident (i.e., loss
of all controls in a particular sequence).
(b) Twenty-four hour reports. Events to be reported to
the NRC Operations Center within 24 hours of discovery,
supplemented with the information in 10 CFR 70.50(c)(1) as it
becomes available, followed by a written report within 60 days:
(1) Any event or condition that results in the facility being in
a state that was not analyzed, was improperly analyzed, or is
different from that analyzed in the Integrated Safety Analysis, and
which results in failure to meet the performance requirements of §
70.61.
(2) Loss or degradation of items relied on for safety that
results in failure to meet the performance requirement of §
70.61.
(3) An acute chemical exposure to an individual from licensed
material or hazardous chemicals produced from licensed materials
that exceeds the quantitative standards that satisfy the
requirements of § 70.61(c)(4).
(4) Any natural phenomenon or other external event, including
fires internal and external to the facility, that has affected or
may have affected the intended safety function or availability or
reliability of one or more items relied on for safety.
(c) Concurrent Reports. Any event or situation, related
to the health and safety of the public or onsite personnel, or
protection of the environment, for which a news release is planned
or notification to other government agencies has been or will be
made, shall be reported to the NRC Operations Center concurrent to
the news release or other notification.
[65 FR 56231, Sept. 18, 2000, as amended at 75 FR 73944, Nov. 30,
2010; 79 FR 57725, Sept. 26, 2014]