{"data":{"id":"us-va/12vac5-481-2015","jurisdiction":"us-va","citation":"12VAC5-481-2015","heading":"Calibration measurements of brachytherapy sources","body":"A. Before the first medical use of a brachytherapy source, licensees shall have:\n\n1. Determined the source output or activity using a dosimetry system that meets the requirements of 12VAC5-481-2044;\n\n2. Determined source positioning accuracy with applicators; and\n\n3. Used published protocols currently accepted by nationally recognized bodies to meet the requirements of subdivision 1 and 2 of this subsection.\n\nB. Instead of a licensee making its own measurements as required in subsection A of this section, the licensee may use measurements provided by the source manufacturer or by a calibration laboratory accredited by the American Association of Physicists in Medicine that are made in accordance with subsection A of this section.\n\nC. A licensee shall mathematically correct the outputs or activities determined in subsection A of this section for physical decay at intervals consistent with 1.0% physical decay.","path":["Title 12. Health","Agency 5. Department of Health","Chapter 481. Virginia Radiation Protection Regulations","Part VII. Use of Radionuclides in the Healing Arts","Article 7. Manual Brachytherapy"],"source_url":"https://law.lis.virginia.gov/admincode/title12/agency5/chapter481/section2015/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:50:29Z","sha256":"3c4d28e2568ea12b664fae7c71eaf1c678d84c0ba668a3f27f6cacfdd165fc97","source_id":"us-va-vac","stale":false,"prev":"us-va/12vac5-481-2014","next":"us-va/12vac5-481-2016"},"notice":"GroundRules: Original legal text. Not legal advice."}