Radiological safety instrumentation and alarms cont'd

Radiological Assessor Training

DOE-HDBK-1141-2001

Handouts

Elements of a Radiological Control Program (cont.)

Fixed and portable dose rate and contamination monitoring instruments

Policies and controls for the use of radiation detectors

+ Photon, neutron, beta, alpha monitors

+ Proportional and scintillation counters

+ Count rate meters

+ Ion chambers

+ Geiger-Mueller tubes and counters

+ Hand and shoe counters, pancake monitors

+ Portal monitors

+ Chest counters

+ Area radiation monitors

+ Small dimension probes for wound monitors

Testing

Calibration schedule and standards

Functional checks

Maintenance

Storage

Inventory

Documentation and record keeping

Nuclear accident monitoring systems

Nuclear incident monitors

Criticality monitors

Emergency radiological instrumentation systems for criticality incidents

Warning and alarm systems

Periodic testing of the alarms

Alarm use in practice drills

Alarm panels and indicators

Type and placement for each facility/area

Calibration

Audible and visual indicators

System backup in the event of loss of power