What are the technical aspects of is transformer oil toxic?

Transformer oil, primarily composed of mineral oil, is generally considered non-toxic; however, it can contain additives that may pose health risks. The toxicity of transformer oil depends on its chemical composition and potential contaminants, such as polychlorinated biphenyls (PCBs), which are highly toxic and carcinogenic. Proper handling and disposal are crucial to mitigate environmental and health hazards. Regular testing for contaminants is essential to ensure safety and compliance with regulations.