The avg. toxicity of animal-based foods is about 0.4pg (picogram) of TCDD equivalent per 1g of food, and the LD50for 2,3,7,8 - TCDD is about 0.001 mg per kg of body weight. What mass, in kg, of animal-based food would you have to consume to ingest a fatal dose of it? (Assume your body mass is 60 kg.

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