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*State of California -Health and Welfare AgeumL Department of Health Services it Page 3 of 4 pages RADIOACTIVE MATERIAL LICENSE License Number: 1812-39 Amendment Number: 50 (c) Generator columns shall be segregated so that they may be monitored separately to ensure decay to background levels prior to disposal. 19. The licensee may use any commercially available device, acceptable to the U.S. Nuclear Regulatory Commission, an Agreement State or a Licensing State, for doing linearity tests of its dose calibrator provided the procedures described by the manufacturer of the linearity device are followed. 20. Nuclear medicine technology procedures shall be performed by nuclear medicine technologists pursuant to Title 17, California Code of Regulations, Subchapter 4.6. Such procedures shall be performed under the supervision of authorized user physicians on this license who meet the criteria specified in Section 30510. Certificates or special permits issued pursuant to Subchapter 4.6 shall be prominently displayed at the facility(ies) authorized on this license. 21. Treatment and management of patients receiving therapeutic quantities of unsealed radioactive materials shall be in accordance with the guidance from any of the following: (a) Chapter 4, "Release from Hospital of Patients Containing Radioactive Material" National Council on Radiation Protection and Measurements (NCRP) Report No. 37, "Precautions in the Management of Patients Who Have Received Therapeutic Amounts of Radionuclides" (NCRP Publications, P.O. Box 30175, Washington, D.C. 20014). (b) Appendix M in the "Guide for the Preparation of Applications for Medical Programs", State of California, Department of Health Services, Radiological Health Branch. (c) Documented rationale or patient -specific calculations demonstrating that members of the general public will be limited to 500 mrem total effective dose equivalent from patients who have been released containing therapeutic quantities of radiopharmaceuticals. 22. Production or processing of radiopharmaceuticals for the purpose of commercial distribution to other licensees is not authorized by this license. 23. For a period not to exceed 60 days in any calendar year, a visiting physician is authorized to use licensed materials for human use under the terms of this license, provided the visiting physician: (a) Has the prior written permission of the hospital's Administrator and its Radiation Safety Committee. (b) Is specifically named as a user on a U.S. Nuclear Regulatory Commission, an Agreement State or a Licensing State license authorizing human use. (c) Performs only those procedures for which the physician is specifically authorized by the U.S. Nuclear Regulatory Commission, an Agreement State or a Licensing State license. The licensee shall maintain for inspection copies of the written permission specified in (a) above and the licensee(s) specified in (b) and (c) above. These records shall be maintained for five years from the time the licensee grants its permission under (a) above. 24. In addition to the possession limits in Item 8, the licensee shall further restrict the possession of licensed material so that at no time will the total quantity of radioactive material possessed require financial surety for decommissioning in accordance with the California Code of Regulations, Title 17, Section 30195.1. A value of 100 microcuries is assigned to Cobalt -57 to supplement the Code of Federal Regulations, Title 10, Part 30, Appendix B.