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State of California-Health and Welfare Ager Department of Health Services Page 6 of 7 pages RADIOACTIVE MATERIAL LICENSE License Number 1276-39 Amendment Number 70 29. Each remote afterloading device shall be inspected and serviced in accordance with the manufacturer's recommendations. 30. For remote afterloading devices, specifically authorized personnel shall: (a) Install, relocate, maintain and repair devices containing radioactive material. (b) Leak test, replace and dispose of sealed sources containing radioactive material used in devices. 31. Subsequent to each source loading, radiation surveys shall be performed prior to human use as follows: (a) A radiation survey shall be made of the unit source housing, with the source(s) in the shielded position. The maximum radiation levels at 20 centimeters from the surface of the source housing shall not exceed 3 milliroentgens per hour. (b) Records of survey results shall be maintained for inspection. 32. Immediately 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 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. 33. 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. 34. When engaging the services of a company for the use of a transportable High 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. 35. 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. 36. Production or processing of radiopharmaceuticals for the purpose of commercial distribution to other licensees is not authorized by this license. 37. 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. 38. 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). 39. 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, Part 20, Section 20.1502 (b). Suitable and timely measurements used for determination of such internal exposures shall be performed as specified by Section 20.1204. 40. 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.