Concentration of polychlorinated biphenyls in different tissues of cultured rainbow trout, (Salmo gairdneri)
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Trunk muscle, ventral muscle, visceral fat and liver from cultured rainbow trout (Salmo gairdner) were analysed for PCB congeners. The congeners quantified were components 52, 49, 44, 101, 118, 138, 187, 183, 128, 180, 170, and 194. The concentrations of the individual PCB congeners and the sum of the quantified congeners (sum PCB) are given. No statistical differences were found between the sum PCB concentrations on a lipid basis in the trunk muscle, ventral muscle and visceral fat. The concentrations found ranged from 0.24 0.45 mg/kg. The concentrations measured in the liver were significantly lower than the concentrations in the other tissues, with concentrations from 0.16 to 0.29 mg/kg. On a wet weight basis there were no significant differences between the concentrations in the ventral muscle and the visceral fat which had values from 0.17 to 0.35 mg/kg. In the trunk muscle values from 0.01 to 0.03 mg/kg were found and in the liver values from 0.01 to 0.02mg/kg. The concentrations of the individual PCB congeners and the sum PCB concentrations were low in all the tissues analysed.