Criticality safety considerations

Radiological Assessor Training

DOE-HDBK-1141-2001

Instructor's Guide

Criticality alarm systems (gamma or neutron) shall

be provided in each area where an accidental

criticality is possible.

Criticality safety requirements may include:

ANSI/ANS 8.3-1986, Criticality Accident Alarm

Systems; ANSI/ANS 8.1-1983, Nuclear Criticality

Safety in Operations with Fissionable Materials

Outside Reactors; and ANSI/ANS 8.19-1984,

ANS Administrative Procedures for Nuclear

Criticality.

It is important to review site requirements

documents prior to conducting the assessment.

All DOE facilities that possess sufficient quantities

Reference 10 CFR 835.1304.

and kinds of fissile material to potentially

constitute a critical mass shall provide nuclear

accident dosimetry.

Summarize lesson.

Review objectives.

Ask for questions.

Module 8 12