Working Safely Around FT-50 Sources Frank Szoke OMNIFISSION Inc.
Fill Level Gauge filtec® FT-50
100mCi Am-241 filtec® source
100mCi source – side view
100mCi source – front view
Protection from Radiation Hazards - Time » The less time spent near the source, the smaller the dose - Distance » Maximizing distance minimizes dose - Shielding » Intervening material can block radiation
FT-50 Bottle Radiation Bar
Emergency Procedures Secure a Safe Area Restrict Safe Area - Minimum safe distance of 5 meters Restrict Safe Area - Easily observable barrier with warning signs - If possible, do not leave the area unattended Contact Supervisor - CNSC Interface Call Appropriate Emergency Personnel - Inform them of presence of gauges
Emergency Procedures Re-admittance to area requires - Dose rate monitoring - Contamination monitoring The CNSC must be notified: - Within 48 hours of the incident - Within 24 hours if material is lost or stolen
Safety Overview Close the shutter when: - When unit is down for extended periods - performing maintenance on line or detector - performing leak tests
Summary When working with radioactive material: - Consider your time around material - Remember to stay at a safe working distance - DO NOT attempt to bypass any shielding - Wear any required protective clothing - Wear any required TLD or DRD monitors in the most appropriate place - Only work in designated areas - Clean work area after use - Keep an inventory of all radioisotopes - Know what to do in an emergency