Monograph Working Group Members V J Cogliano (USA)–Chair; K Aronson, H Tryphonas (Canada); Y L Guo (Taiwan, China); M Machala (Czech Republic); E C Bonefeld-Jørgensen, K Vorkamp (Denmark) J P Cravedi, B Le Bizec, J F Narbonne (France); H Esch (Germany); P Cocco, F Merletti (Italy); R Vermeulen (unable to attend; Netherlands); A Agudo (Spain); N Johansson (Sweden); H Fiedler, N Hopf (Switzerland...

wastewater contains a variety of chemical substances owing to the different sources that contribute to affluent into sewage treatment plants. raw and wastewater samples were obtained from the surface of the water bodies at depths of 50 and 100 metres but at different locations in each sampling site. the water samples were subjected to extraction of polychlorinated biphenyls (pcbs) using quecher...

background: in this research, the decomposition of aroclor 1254, including 20 kinds of poly chlorinated biphenyls (pcbs), in real waste transformer oil in the presence of peg1000, naoh, zero valent iron and h2o by microwave (mw) irradiation was studied. methods: central composites design (ccd) method was carried out for experimental design. the effects of microwave power levels (200- 1000 w), r...

OBJECTIVE Because the analysis of polychlorinated biphenyls (PCBs) in 1970's was performed using a packed column gas chromatograph, with an electron capture detector to determine total-PCB concentration, analytical data obtained by this analysis do not meet the requirement for the risk assessment of PCB congeners. In this context, the present study was carried out to reevaluate the congeneric a...

Octanol-water partition coefficient of two hundred and six polychlorinated biphenyls was model by the use of an original method based on complex information obtained from compounds structure. The regression analysis shows that best results are obtained in four-varied model (r = 0.9168). The prediction ability of the model was studied through leave-one-out analysis (rcv(loo) = 0.9093) and in tra...

Aqueous solubilities of polychlorinated biphenyls have been correlated with topologicalmolecular descriptors which are functions of local and global invariants of labeled hydrogenfilled graphs. Morgan extended connectivity and nearest neighboring codes have been usedas local graph invariants. The number of chlorine atoms in biphenyls has been employedas a global graph invariant....

Introduction Background Purpose and scope Acknowledgments Data sources and analyses Data sources Data analyses Spatial distribution of polychlorinated biphenyls in common carp and walleye in the Mississippi, Minnesota, and St. Croix Rivers Comparison among individual sites Comparison among river segments Temporal distribution of polychlorinated biphenyls in common carp and walleye in the Missis...

Introduction A recent book by Hutzinger et al. (1) reviews the chemistry of chlorinated biphenyls through the end of 1973. This wide-ranging review also includes discussions of metabolism and determination of chlorinated biphenyls. The present report reviews areas of chlorobiphenyl and bromobiphenyl chemistry held to be pertinent to the Subcommittee's concern for possible health effects of thes...