6 Colo. Code Regs. § 1007-1-6-I
X-Ray Tube Voltage (kilovolt peak) | ||||
Design Operating Range | Measured Operating Potential | Minimum HVL (mm in Aluminum) | ||
Specified Dental Systems \1\ | Other X-Ray Systems \2\ | Other X-Ray Systems \3\ | ||
Below 51 | 30 | 1.5 | 0.3 | 0.3 |
40 | 1.5 | 0.4 | 0.4 | |
50 | 1.5 | 0.5 | 0.5 | |
51 to 70 | 51 | 1.5 | 1.2 | 1.3 |
60 | 1.5 | 1.3 | 1.5 | |
70 | 1.5 | 1.5 | 1.8 | |
Above 70 | 71 | 2.1 | 2.1 | 2.5 |
80 | 2.3 | 2.3 | 2.9 | |
90 | 2.5 | 2.5 | 3.2 | |
100 | 2.7 | 2.7 | 3.6 | |
110 | 3.0 | 3.0 | 3.9 | |
120 | 3.2 | 3.2 | 4.3 | |
130 | 3.5 | 3.5 | 4.7 | |
140 | 3.8 | 3.8 | 5.0 | |
150 | 4.1 | 4.1 | 5.4 | |
\1\ Dental x-ray systems designed for use with intraoral image receptors and manufactured after December 1, 1980. \2\ Dental x-ray systems designed for use with intraoral image receptors and manufactured before or on December 1, 1980, and all other x-ray systems subject to this section and manufactured before June 10, 2006. \3\ All x-ray systems, except dental x-ray systems designed for use with intraoral image receptors, subject to this section and manufactured on or after June 10, 2006. | ||||
6 CCR 1007-1-6-I