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State of California-Health and Welfare Age Department of Health Services Page 5 of 7 pages RADIOACTIVE MATERIAL LICENSE License Number: 1276-39 Amendment Number: 78 17. Except for alpha sources, the periodic leak test required by Condition 15 does not apply to sealed sources that are stored and not being used. The sources excepted from this test shall be tested for leakage prior to any use or transfer to another person unless they have been leak tested within six months prior to the date of use or transfer. 18. The licensee shall conduct a physical inventory every six months to account for all sealed sources and/or devices received and possessed under the license. Records of the inventories shall be maintained for inspection, and may be disposed of following Department inspection. 19. The licensee is authorized to hold radioactive materials with a physical half-life of less than 65 days for decay in storage before disposal in ordinary trash provided: (a) Radioactive waste to be disposed of in this manner shall be held for decay in storage for at least 10 half-lives. (b) Before disposal as normal waste, radioactive waste shall be surveyed to determine that its radioactivity cannot be distinguished from background. All radiation labels shall be removed or obliterated. 20. 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. 21. 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. 22. 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. 23. Treatment and management of patients undergoing brachytherapy shall be in accordance with guidance contained in Chapter 5, "Safety Precautions in Clinical Application",National Council on Radiation Protection and Measurements (NCRP) Report No. 40, "Protection Against Radiation From Brachytherapy Sources" (NCRP Publications, P.O. Box 30175,.Washington, D.C. 20014). 24. Remote afterloading device facilities shall be so constructed as to permit continuous observation of patients from outside the treatment room(s).