Organochlorine concentrations in bald eagles: Brain/body lipid relations and hazard evaluation

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Abstract
Residue levels of 12 organochlorine compounds [DDD, DDE, mirex, cis-nonachlor, polychlorinated biphenyl, toxaphene, oxychlordane, cis-chlordane, heptachlor epoxide, dieldrin, DDT, hexachlorobenzene] found in the brains of bald eagles were predicted from the corresponding concentrations in the carcass when expressed on a hexane-extractable lipid basis. The compounds varied by a factor of .apprx. 3 in the degree to which they accumulated in the brain. An understanding of these relations enhanced the ability to assess the toxic hazards of environmental contamination.