{"data":{"id":"us-va/12vac5-481-3060","jurisdiction":"us-va","citation":"12VAC5-481-3060","heading":"Assumptions as to unknown properties of fissile material","body":"Article 4\n\nOperating Controls and Procedures\n\nWhen the isotopic abundance, mass, concentration, degree of irradiation, degree of moderation, or other pertinent property of fissile material in any package is not known, the licensee shall package the fissile material as if the unknown properties have credible values that will cause the maximum neutron multiplication.","path":["Title 12. Health","Agency 5. Department of Health","Chapter 481. Virginia Radiation Protection Regulations","Part XIII. Transportation of Radioactive Material","Article 4. Operating Controls and Procedures"],"source_url":"https://law.lis.virginia.gov/admincode/title12/agency5/chapter481/section3060/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:50:32Z","sha256":"fa7de7dcc7422418fb9421ea632c2f7e16f9fbf02e6aa70ccf982bbcf2bdf837","source_id":"us-va-vac","stale":false,"prev":"us-va/12vac5-481-3051","next":"us-va/12vac5-481-3070"},"notice":"GroundRules: Original legal text. Not legal advice."}