Mississippi Administrative Code
Title 15 - Mississippi Department of Health
Part 21 - Division of Radiological Health
Subpart 78 - Radiological Health
Chapter 1 - REGULATIONS FOR CONTROL OF RADIATION IN MISSISSIPPI
Subchapter 6 - X-Rays In The Healing Arts
Appendix 15-21-78-1-6-D
Universal Citation: MS Code of Rules 15-21-78-1-6-D
Current through September 24, 2024
Actual (feff) and Nominal (fnom) Focal Spot Sizes necessary to achieve an Object Plan Spatial Resolution of 12.5 cycles/mm at the Chest Wall
| SID (cm) | Magnification | feff (mm) | fnom (mm) |
| 80 | 1.07 | 1.2 | 0.6 |
| 65 | 1.08 | 1.1 | 0.5 |
| 50 | 1.11 | 0.85 | 0.4 |
| -- | 1.5 | 0.23 | 0.15 |
| -- | 2.0 | 0.15 | 0.10 |
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