Table 4 The ECR of PFOA in the root crops

From: The dietary risk assessment of perfluorooctanoic acid (PFOA) and perfluorosulfonic acid (PFOS) in the root crops from the survey of the residue in agricultural soil and the crops

Crop	ECR
Radish	3.10 \(\times \) 10^–09
Onion	8.68 \(\times \) 10^–09
Carrot	1.83 \(\times \) 10^–09
Potato	3.62 \(\times \) 10^–09
Garlic	7.89 \(\times \) 10^–10
Sweet potato	1.88 \(\times \) 10^–09
Total	1.99 \(\times \) 10^–08

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