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a 01 State of Califomia-Health and Welfare Agency Department of Health Services License Number. 1812-39 26. Where users or their assistants are engaged in elution of pertechnetate 99m from generators, the exposure to the fingers or hands shall be monitored as required by Title 10, Code of Federal Regulations, Part 20, Section 20.1502(x). 27. Mo -99 break through may not exceed 0.15 uCi per mCi of Tc-99m, and less than 2.5 uCi Mo -99 per administered dose. 28. Equipment for radiometric assay of pharmaceuticals, body fluids, excreta, or in -vitro assay samples shall be calibrated to ensure reliability of data obtained. The stability of the equipment shall be checked at least once each day of use, using appropriate standards. 29. Nuclear medicine technology procedures shall be performed by nuclear medicine technologists pursuant to the Title 17, California Code of Regulations, Subchapter 4.6. Such procedures shall be performed under the supervision of individuals listed as authorized users 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. 30. Treatment and management of patients receiving therapeutic quantities of unsealed radioactive materials shall be in accordance with guidance contained in 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). 31. 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). 32. Notwithstanding the six-month test interval requirement of Section 30275 of the California Radiation Control Regulations, medical cesium -137 sources (3M Company Models 6500 - 6507 or old Model 6D6C, and Isotope Products Model 67-800 or 67-820 series) possessed under this license may be tested for leakage and/or contamination at three-year intervals. 33. This license does not authorize distribution to persons licensed pursuant to Title 17, California Code of Regulations, Section 30195 (a) and (b) or equivalent provisions of the U.S. Nuclear Regulatory Commission or Agreement States. 34. This license does not authorize commercial distribution of radioactive material. 35. Production or processing of radiopharmaceuticals for the purpose of distribution to other licensees is not authorized by this license. 36. 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.