Washington Administrative Code (Last Updated: November 23, 2016) |
Title 246. Health, Department of |
Chapter 246-226. Radiation protection—Computed tomography. |
Section 246-226-020. Equipment requirements.
Latest version.
- The CT X-ray system must:(1) Meet the requirements of 21 C.F.R. Sec. 1020.33 (last amended June 10, 2005) at the time of installation and while the CT X-ray system is registered with the department under chapter 246-224 WAC; and(2) Be equipped:(a) With a visible signal that indicates when the X-ray exposure is occurring;(b) So that the operator can immediately terminate an X-ray exposure of greater than one-half second duration at any time during the X-ray exposure;(c) So that the parameters used during a CT procedure are:(i) Displayed prior to beginning a scan; and(ii) Visible by the operator from any location scanning can be initiated.(d) So that radiation leakage from the tube port does not exceed limits established in WAC 246-225-040 (3) and (4) when data are not being collected for image production;(e) So that the accuracy of the laser or optical positioning system is within five millimeters maximum deviation on the axial position (z-axis);(f) With an X-ray production indicator of at least one-half second at or near the gantry that is visible from any point outside the gantry opening;(g) So that premature termination of the X-ray exposure by the operator requires resetting of the parameters prior to initiating another scan.
Rules
246-224,246-225-040,