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Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

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Cyclotron and Radiochemistry Refresher

​​​​When working with radionuclides, it is important to incorporate good work practices to ensure radiation doses​ remain as low as reasonably achievable (ALARA​). Individuals in the NIH Cyclotron, NIMH and NIBIB Radiochemistry Facilities work with larger amounts of radioactivity and in closer proximity to larger radiation levels than the majority of the NIH research community. ​

The Cyclotron and Radiochemistry Refresher​ reviews DRS' policy pertaining to exposure limits, work practices, material transfer, radioactive material security, and waste disposal under license agreements between the Nuclear Regulatory Commission and the NIH.