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Polychlorinated biphenyls (PCB) in sea water and their effect on reproduction ofGammarus oceanicus

Conclusions

It can be calculated from the results of experiment I that exposure ofG. oceanicus to 0.2 mg/l of Aroclor 1254 solubilized in Corexit 7664 in sea water for 10 hr will produce an LT50 = 35.1 days. The data suggest that no significant biological detoxification process occurs in the animals during the experiments. However, nothing is known about the biological halflife or possible bio-transformation of PCB in animal tissues.

The effects on mating success described seem best interpreted as responses of the male to impending death caused by PCB poisoning. Such effects should therefore depend on the same dose: survival time relationship, with C0 t = 10 mg/ℓ hr as the minimum effective dose. Assuming that the maximum time in precopula is 20 days, the minimum concentration possible to produce this effect is 0.021 mg/ℓ of Aroclor 1254 solubilized in Corexit 7664 in sea water.

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Wildish, D.J. Polychlorinated biphenyls (PCB) in sea water and their effect on reproduction ofGammarus oceanicus . Bull. Environ. Contam. Toxicol. 7, 182–187 (1972). https://doi.org/10.1007/BF01684810

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Keywords

  • Waste Water
  • Water Management
  • Halflife
  • Water Pollution
  • Survival Time