Which of the following is included as a by-product material under 10 CFR 35?

Under 10 CFR 35, which governs the medical use of byproduct materials, accelerator-produced materials are explicitly included in the definition of byproduct materials. This regulation is focused on ensuring the safe handling, use, and disposal of radioactive materials used in medical applications, particularly in the diagnosis and treatment of diseases.

Accelerator-produced materials are those isotopes created using particle accelerators, which are commonly utilized in various applications, including medical imaging and radiation therapy. This classification is significant because it holds specific regulatory requirements to ensure safety standards are maintained.

The other choices, while they relate to various forms of waste and materials, do not fall under the specific category of byproduct materials as defined by 10 CFR 35. Medical waste generally pertains to non-radioactive waste generated in the healthcare environment, hazardous waste typically refers to dangerous chemicals rather than radioactive materials, and industrial radioactive sources do not specify medical context and are separately categorized under different regulations. Thus, the focus on accelerator-produced materials aligns precisely with the definition of byproduct materials under 10 CFR 35, representing a crucial aspect of regulatory compliance in medical settings.