Crop | Average residue (detection ranges, μg kg−1) | |||
---|---|---|---|---|
Soil | Crop | |||
PFOA | PFOS | PFOA | PFOS | |
Radish | 0.541 (< 0.020–5.579) | 0.111 (< 0.020–0.698) | 0.067 (< 0.020–0.356) | < 0.020 |
Onion | 0.173 (0.032–0.586) | 0.067 (< 0.020–0.342) | 0.193 (< 0.020–0.698) | < 0.020 |
Carrot | 0.124 (< 0.020–0.308) | 0.061 (< 0.020–0.565) | 0.088 (< 0.020–0.768) | < 0.020 (< 0.020–0.025) |
Potato | 0.156 (0.073–0.342) | 0.065 (< 0.020–0.303) | 0.150 (0.035–0.375) | < 0.020 (< 0.020–0.021) |
Garlic | 0.098 (< 0.020–0.342) | 0.088 (< 0.020–0.359) | 0.161 (0.070–0.471) | < 0.020 (< 0.020–0.247) |
Sweet potato | 0.054 (< 0.020–0.141) | 0.024 (< 0.020–0.103) | 0.111 (< 0.020–0.300) | < 0.020 (< 0.020–0.027) |