Table 1 - Comparison of observed contaminant accumulation in various benthic worms and
predicted by effective partitioning between sediment and water
Contaminant - dominant state
Concentration
mg/kg
K
sw
|
eff
BSAF
Predicted
BSAF
2
Pyrene
- reversibly sorbed
1
<50
750
1.01±0.45
1
Pyrene -
Supersaturated sediments
1
127
980
0.7±0.1
0.77
Pyrene -
Supersaturated sediments
1
240
1850
0.4±0.05
0.47
Fluoranthene -
with adsorbent resin
3
97
38,250
0.0139±0.01
0.019
Phenanthrene
- reversibly sorbed
4
85 mg/kg
260
1.20±0.44
1
Phenanthrene
mostly reversibly sorbed
4
32 mg/kg
350
1.19±0.23
0.75
Phenanthrene
- mostly sequesztered
rapid isopropanol washes
4
8 mg/kg
760
0.60±0.16
0.34
Phenanthrene
- mostly sequestered
with XAD in sediment
4
14 mg/kg
-
0.245±0.004
-
Note
1
Pyrene experiments conducted with
Limnodrilus hoffmeisteri
2
Predicted BSAF is defined by effective partition coefficient
3
Kasian et al. (1999) with
Lumbriculus variegatus
4
Phenanthrene experiments conducted with
Illodrillus templetoni
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