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. Author manuscript; available in PMC: 2012 Apr 8.
Published in final edited form as: Environ Res. 2010 Oct;110(7):675–683. doi: 10.1016/j.envres.2010.06.007

Table 3.

Water and sediment PAH concentrations at the three sites in the Lower Duwamish Waterway. Sediment PCB concentrations are also included. All concentrations of PAHs are surrogate corrected.

B2 B3 B4
Water PAH concentrations ppt (ng/L) ppt (ng/L) ppt (ng/L)
Carcinogenic PAHs 12 7 nd
Low Molecular Weight PAHs nd nd nd
High Molecular Weight PAHs 16.7 8.3 nd
Total PAHs 18.3 10.4 nd
Sediment PAH concentrations ppb (ng/g dry) ppb (ng/g dry) ppb (ng/g dry)
Carcinogenic PAHs 1056 425 541
Low Molecular Weight PAHs 1219 70 159
High Molecular Weight PAHs 3069 666 985
Total PAHs 6711 1482 1967
Sediment PCB concentrations ppb (ng/g dry) ppb (ng/g dry) ppb (ng/g dry)
Total PCBs 1030 421 1160

nd*: not detected , <1 ng/L