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

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

4. MRI Suite

5. Magnetic Rotor Components

6. 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

7. Transmission Lines Near…

8. Industrial Magnetizer

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

10. High Power Radar

11. Communications

12. Communications II

13. Induction Heater

14. Electric Motor (Under Test)

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

16. UV Curing Oven

17. 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

18. 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

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