Table 2.
PFBS, PFHpA, PFOA, PFOS, and PFDA Trophic Magnification Factors (TMFs) for Consumers in the Yadkin-Pee Dee River of North Carolina and South Carolina, US
| species | na | PFBS | PFHpA | PFOA | PFOS | PFDA |
|---|---|---|---|---|---|---|
| all consumers | 130 | 1.08 | 0.75 | 0.81 | 0.93 | 0.83 |
| mollusks | 18 | 1.30 | 1.00 | 1.19 | 0.49 | 1.00 |
| aquatic insects | 21 | 1.15 | 0.88 | 0.96 | 0.52 | 0.99 |
| crayfishes | 4 | 1.00 | 1.05 | 1.00 | 1.00 | 1.00 |
| fishes | 85 | 1.08 | 0.87 | 0.89 | 1.04 | 0.96 |
| American eel | 8 | 2.27 | 0.46 | 1.00 | 0.41 | 1.00 |
| blue catfish | 10 | 1.02 | 1.00 | 1.00 | 0.53 | 1.00 |
| bluegill | 10 | 0.63 | 1.00 | 1.00 | 1.12 | 1.11 |
| channel catfish | 10 | 1.13 | 0.70 | 0.74 | 1.07 | 1.00 |
| common carp | 10 | 1.00 | 1.00 | 1.00 | 1.30 | 1.00 |
| largemouth bass | 10 | 0.91 | 1.00 | 1.00 | 0.68 | 1.00 |
| notchlip redhorse | 6 | 0.57 | 0.29 | 0.20 | 0.48 | 0.17 |
| shorthead redhorse | 11 | 1.25 | 1.18 | 1.00 | 1.19 | 0.82 |
| smallmouth buffalo | 7 | 2.33 | 0.92 | 1.00 | 1.70 | 1.00 |
| whitefin shinerb | 3 | 1.00 | 1.95 | 1.00 | 1.67 | 1.83 |
a
n = number of samples analyzed.
b
On the basis of whole-body concentrations.