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Table 4 PFOS and PFOA dietary exposure model (ng/kg BW/day) according to uptake scenarios and corresponding TDI

From: Toxicology of perfluorinated compounds

Criterion

Average consumption

High consumptionb

Average PFOS content

2.30 to 3.69

up to 8.92

Percentage of TDIa

1.5% to 2.5%

5.9%

High PFOS content

8.53 to 10.22

up to 26.02

Percentage of TDI

5.7% to 6.8%

17.3%

Average PFOA content

0.71 to 0.95

up to 2.07

Percentage of TDI

0.05% to 0.06%

0.14%

High PFOA content

up to 5.7

up to 13.11

Percentage of TDI

0.38%

0.87%

  1. aTDI for PFOS = 150 ng/kg BW/day, TDI for PFOA = 1, 500 ng/kg BW/day (adapted from EFSA [15]); bthe 95th percentile of the assumed amount of consumption was chosen for the calculation. The model calculation was adapted from BfR [17].