a Calculated from the PTWI; 70-kg human.
b Total Diet Studies for 25-30-year-old males (FDA market basket program); Gunderson et al. (1988) except as otherwise noted.
c Calculated from data in Hall et al. (1978); for the breakdown of average levels for species, see Tables 6-10-6-18, which detail the distributions of species-average concentrations.
d EPA RfD = 4 × 10-4 mg/kg/day = 28 µg/day.
e Arsenic trioxide; not agreed upon but estimated.
f Data in parentheses are FDA seafood measurements given in Gunderson et al. (1988).
g Lowest value is methylmercury, highest total mercury.
h From the older total diet data of Gartrell et al. (1985).
i A study coauthor believes this result may be too high because of contamination.