||Environmental Contamination by Polychlorinated Dibenzo-p-dioxins and Dibenzofurans Associated with Pulp and Paper Mill Discharge.
Kuehl, D. W. ;
Butterworth, B. C. ;
DeVita, W. M. ;
Sauer, C. P. ;
||Environmental Research Lab.-Duluth, MN. ;Wisconsin Univ.-Superior. Center for Lake Superior Environmental Studies.
Polychlorinated dibenzo p dioxins ;
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Sludge from seven pulp and paper mills was analyzed for 2,3,7,8-TCDD. The level of contamination ranged from not detectable (1pg/g) to over 400 pg/g. Analyses for other planar polychlorinated contaminants indicated high levels of contamination by other PCDDs and PCDFs. Polychlorinated xanthenes and xanthones were identified as potential interferences in these analyses.