PCB sources and degradation in sediments of Ashtabula River, Ohio, USA, determined from receptor models

Imamoglu, I.; Li, K.
May 2002
Water Science & Technology;2002, Vol. 46 Issue 3, p89
Evaluates the polychlorinated biphenyl pollution (PCBs) in Ohio's Ashtabula River sediments using a factor analysis (FA) model with non-negative constraints and a chemical balance model. Effectiveness of the factor analysis model in source identification and pattern recognition in PCB contaminated sediments; Failure of the CMB model to reproduce the sample congener profiles; Indications of significant alterations in PCBs.


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