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In what circumstance is a facility required to have an NRC license?

  1. When conducting volunteer training sessions

  2. When possessing or using radioactive materials

  3. Only during public demonstrations

  4. When conducting research on energy efficiency

The correct answer is: When possessing or using radioactive materials

A facility is required to have an NRC (Nuclear Regulatory Commission) license when it possesses or uses radioactive materials. The NRC regulates the use of these materials to ensure safety and compliance with federal regulations, particularly in protecting the public and the environment from unnecessary exposure to radiation. This licensing process includes stringent safety measures, training requirements, and regular reporting to ensure that radioactive materials are handled properly. Possessing radioactive materials without a proper license is not only a regulatory violation but also poses health risks, as improper management could lead to contamination or exposure to harmful levels of radiation. Therefore, any facility intending to use or possess such materials must first obtain the appropriate licenses from the NRC, ensuring that they meet the necessary safety standards.