TOXICITY AND BIOACCUMULATION OF POLYCHLOROBIPHENYL ISOMERS BY CILIATED PROTOZOAN COLPIDIUM COMPYLUM (STOKES)

  • 1 January 1976
    • journal article
    • research article
    • Vol. 9  (2) , 105-111
Abstract
A toxicity and bioaccumulation study was carried out in C. campylum with 16 pure isomers of mono-, di-, tri-, tetra-, penta-, hexa- and heptachlorobiphenyls and a commercial product, Pyralene 3010, dissolved in alcohol, after factorial study of the summation of effects between PCB [polychlorinated biphenyls] and solvent. The position of Cl atoms on the aromatic rings and their number influence toxicity, probably in relationship to the possibilities of hydroxylation of these molecules. The experimental conditions must be very carefully respected to obtain reproducible results.