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Chemicals with information from ToxCast and ECOTOX used in the present study from passive samplers deployed at 69 sites within 62 tributaries of the Great Lakes, in 2010 and 2014. Number of chemicals represented in each category is shown in parentheses. PAH = polycyclic aromatic hydrocarbon; WW = wastewater; OC = organochlorine; PBDE = polybrominated diphenyl ether; PCB = polychlorinated biphenyl.
