Hawaii Administrative Rules
Title 11 - DEPARTMENT OF HEALTH
Subtitle 1 - GENERAL DEPARTMENTAL PROVISIONS
Chapter 45 - RADIATION CONTROL
Subchapter 6 - X-RAYS IN THE HEALING ARTS
Appendix C of Subchapter 6 - Half-Value Layer (7/25/96)
Universal Citation: HI Admin Rules C of Subchapter 6
Current through February, 2024
| X-Ray Tube Voltage (kilovolt peak) | Minimum Half-Value Layer (millimeters of aluminum) | ||
| Design | Measured | Dental Intraoral | All Other |
| Operating | Potential | Manufactured Before | Diagnostic |
| Range | (kvp) | 8/1/74 & On or After | X-Ray |
| 12/1/80 | Systems | ||
| Below 51 | 30 | N/A | 0.3 |
| 40 | N/A | 0.4 | |
| 50 | 1.5 | 0.5 | |
| 51 to 70 | 51 | 1.5 | 1.2 |
| 60 | 1.5 | 1.3 | |
| 70 | 1.5 | 1.5 | |
| Above 70 | 71 | 2.1 | 2.1 |
| 80 | 2.3 | 2.3 | |
| 90 | 2.5 | 2.5 | |
| 100 | 2.7 | 2.7 | |
| 110 | 3.0 | 3.0 | |
| 120 | 3.2 | 3.2 | |
| 130 | 3.5 | 3.5 | |
| 140 | 3.8 | 3.8 | |
| 150 | 4.1 | 4.1 | |
Disclaimer: These regulations may not be the most recent version. Hawaii may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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