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State of California-Health and Welfare Ager Department of Health Services <br /> Page 5 of 7 pages <br /> RADIOACTIVE MATERIAL LICENSE License Number 1276-39 <br /> Amendment Number. 70 <br /> 20. The licensee may use any commercially available device, acceptable to the U.S. Nuclear Regulatory Commission, an <br /> Agreement State or a Licensing State, for doing linearity tests of its dose calibrator provided the procedures <br /> described by the manufacturer of the linearity device are followed. <br /> 21. Nuclear medicine technology procedures shall be performed by nuclear medicine technologists pursuant to Title 17, <br /> California Code of Regulations, Subchapter 4.6. Such procedures shall be performed under the supervision of <br /> individuals listed as authorized users on this license who meet the criteria specified in Section 3 05 10. Certificates or <br /> special permits issued pursuant to Subchapter 4.6 shall be prominently displayed at the facility(ies) authorized on this <br /> license. <br /> 22. Treatment and management of patients receiving therapeutic quantities of unsealed radioactive materials shall be in <br /> accordance with guidance contained in Chapter 4, "Release from Hospital of Patients Containing Radioactive <br /> Material" National Council on Radiation Protection and Measurements (NCRP) Report No. 37, "Precautions in the <br /> Management of Patients Who Have Received Therapeutic Amounts of Radionuclides" (NCRP Publications, P.O. <br /> Box 30175, Washington, D.C. 20014). <br /> 23. Treatment and management of patients undergoing brachytherapy shall be in accordance with guidance contained in <br /> Chapter 5, "Safety Precautions in Clinical Application",National Council on Radiation Protection and Measurements <br /> (NCRP) Report No. 40, "Protection Against Radiation From Brachytherapy Sources" (NCRP Publications, P.O. Box <br /> 30175, Washington, D.C. 20014). <br /> 24. Notwithstanding the six-month test interval requirement of Section 30275 of Title 17, California Code of <br /> Regulations, medical Cesium-137 sources (3M Company Models 6500-6507 or Model 6D6C, and Isotope Products <br /> Model 67-800 or 67-820 series) possessed under this license may be tested for leakage and/or contamination at three- <br /> year intervals. <br /> 25. Remote afterloading device facilities shall be so constructed as to permit continuous observation of patients from <br /> outside the treatment room(s). <br /> 26. If there is a reason to suspect that the source position indicator or entrance door(s) interlock(s) is/are not functioning <br /> properly, use of the remote afterloading device(s) shall be discontinued until the condition has been corrected. A <br /> record of any such malfunction shall be made and maintained available for inspection. <br /> 27. Special Requirements for Remote Afterloading Device Spot-Checks and Calibration: <br /> (a) At intervals not to exceed daily or prior to use(if used less frequently),the following tests shall be performed: <br /> (1) Source position indicator(s). <br /> (2) Source positioning reproducibility,to within ±1 mm. <br /> (3) Inspection of guide tubes for kinks and other imperfections. <br /> (b) At intervals not to exceed monthly or prior to use (if used less frequently), the following tests shall be <br /> performed: <br /> (l) Accuracy of the timing device. <br /> (2) Source travel time error. <br /> (c) At each source loading and intervals not to exceed three months, (one month for Ir-192) thereafter, the licensee <br /> shall determine the dose accuracy to within±5 percent. <br /> 28. Remote afterloading devices authorized by this license shall not be operated unless the licensee has in his possession <br /> detailed written instructions specific for the make and model of the remote afterloading device. <br />