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PTWI |
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2 [micro]g/g, a child weighing 15 kg would be acquiring approximately 3% of his or her PTWI from this source. The Canadian TDI for total Hg in the 1990s was 42,840 ng/person per day, but for methyl-Hg it was 28,260 ng/person per day for a 60-kg person, the same as that calculated from the WHO PTWI in 1999. The calculation shows that the PTWI of 1,500 [micro]g for a 60-kg person will be exceeded when eating four bird meals or more per week. |
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