Figure: 25 TAC §289.229(h)(4)(B)(i)
| X-ray tube voltage (kilovolt peak) |
Minimum HVL (mm of aluminum) |
Minimum HVL (mm of aluminum) |
|
|---|---|---|---|
| Designed operating range |
Measured operating potential |
X-ray systems (except dental) manufactured before June 10, 2006 |
X-ray systems (except dental) manufactured on or after June 10, 2006 |
| Below 51 | 30 | 0.3 | 0.3 |
| 40 | 0.4 | 0.4 | |
| 50 | 0.5 | 0.5 | |
| 51 to 70 | 51 | 1.2 | 1.3 |
| 60 | 1.3 | 1.5 | |
| 70 | 1.5 | 1.8 | |
| Above 70 | 71 | 2.1 | 2.5 |
| 80 | 2.3 | 2.9 | |
| 90 | 2.5 | 3.2 | |
| 100 | 2.7 | 3.6 | |
| 110 | 3.0 | 3.9 | |
| 120 | 3.2 | 4.3 | |
| 130 | 3.5 | 4.7 | |
| 140 | 3.8 | 5.0 | |
| 150 | 4.1 | 5.4 |