Module 4: NIR Sources and Assessment Approach

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Presentation transcript:

Module 4: NIR Sources and Assessment Approach NIR Safety Awareness Module 4: NIR Sources and Assessment Approach

NIR Sources I Static Field Sources MRI/NMR Devices Industrial Magnets Electric Motor Production Industrial/Laboratory DC Power Applications

MRI Suite

Magnetic Rotor Components

NIR Sources II Sub-Radiofrequency (1 Hz – 3 kHz) Emitters Transmission Lines/Substations Induction furnace Magnetizers Welding Electrified Railroads Electric Motor Vehicles Communications Video Display Terminals

Transmission Lines Near…

Industrial Magnetizer

NIR Sources III Radiofrequency (3 kHz – 300 GHz) Communications Heat Sealers/Induction Heaters Electric Motors Welding Radar Diathermy Electrosurgical Units

High Power Radar

Communications

Communications II

Induction Heater

Electric Motor (Under Test)

NIR Sources IV Ultraviolet Industrial Applications Sterilization Curing Coating Research Applications Outside Work Tanning Beds

UV Curing Oven

NIR Assessment Collect NIR Source Parameters Frequency/Wavelength Power (Continuous or Pulsed) Antenna Type Existence of Absorbing or Scattering Objects Distance to Source Other nearby sources or hazards

NIR Assessment II Evaluation of Potentially Exposed Population Public (No Safety Program) Occupational (Safety Program?) Work Area Description Work Process Evaluation Interview potentially exposed employees and management Potential for exposure to nearby employees

NIR Source and Assessment Questions? What Have We Left Out?