A toxic heavy metal has a whole body half-life of about 16 years. The ADI (RfD) of this metal for food is 2.3 × 10−3 mg kg−1 d−1. What is the acceptable daily intake for a 75 kg person? What is the whole body level of this metal if ingestion were maintained at ADI? [Hint: Atmospheric residence time analysis calculations are very similar.]

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Chapter1: Chemical Foundations
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  1. A toxic heavy metal has a whole body half-life of about 16 years.
  2. The ADI (RfD) of this metal for food is 2.3 × 10−3 mg kg−1 d−1. What is the acceptable daily intake for a 75 kg person?
  3. What is the whole body level of this metal if ingestion were maintained at ADI? [Hint: Atmospheric residence time analysis calculations are very similar.]
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