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State of California-Health and Welfare Agency Department of Health Services Page 8 of_ 9 pages RADIOACTIVE MATERIAL LICENSE License Number: 1276-39 Slgj*merdary Sheet Amendment Number (2) All areas adjacent to the treatment room with the source in the "irradiate" position. The survey shall be performed with a phantom in the primary beam of radiation and shall clearly establish: a. that radiation levels in restricted areas are not likely to cause personnel exposures in excess of the limits specified in the Code of Federal Regulations,title 10,part 20,section 20.1201. b. That radiation levels in unrestricted areas do not exceed the limits specified in the Code of Federal Regulations, title 10, part 20, section 20.1301. (b) Records of survey results shall be maintained for inspection. 42. Irrunediately after retracting the source from the patient into its shielded position in the remote afterloading device, a radiation survey shall be made of the patient and the remote afterloading device with a portable radiation detection survey instrument to confirm that the source has been removed from the patient. Records of each survey shall be maintained 43. Treatment time calculations and data entry for remote afterloaders shall be individually verified by the responsible physician named on the license immediately prior to treatment. 44. When engaging the services of a company for the use of a transportable Fligh Dose Rate Afterloader,electrical interlock(s) on entrance door(s)to the remote afterloading device room(s) shall be tested for proper operation prior to the first treatment of the day. Records of test results shall be maintained for inspection. 45. When engaging the services of a company for the use of a transportable High Dose Rate Afterloader, the licensee shall retain all responsibilities for the use of radioactive material authorized by this license. 46. This license does not authorize commercial distribution of radioactive material. 47. Production or processing of radiopharmaceuticals for the purpose of distribution to other licensees is not authorized by this license. 48. Radioactive materials shall be used by occupational workers in such a manner that the dose limits specified in Title 10,Code of Federal Regulations,Part 20,Subpart C(Sections 20.1201 through 20.1208)are not exceeded. 49. The licensee shall monitor occupational exposures to radiation and shall supply and require the use of individual monitoring devices by personnel as required by Title 10,Code of Federal Regulations,Part 20,Section 20.1502 (a). 50. The licensee shall monitor occupational intakes of radioactive material by,and assess the committed effective dose equivalent to, individuals who may have exceeded or are likely to exceed,the limits specified in Title 10, Code of Federal Regulations(CFR), Part 20, Section 20.1502(b). Suitable and timely measurements used for determination of such internal exposures shall be performed as specified by 10CFR 20.1204. 51. This license does not authorize distribution to persons licensed pursuant to Section 30195 (a) and (b) of the California Radiation Control Regulations or equivalent provisions of the NRC or Agreement States.