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Spatial distributions of polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) in the water column and bottom sediments of the Houston Ship Channel in Texas were measured three times over a 1-year period. Total TEQ concentrations in water ranged from 0.01 to 0.25pg/l for the dissolved phase and from 0.09 to 2.91pg/l for the suspended phase, while TEQ concentrations in bottom sediments...
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