results and evaluation of the first study of organochlorine contaminants (pcdds, pcdfs, pcbs and ddts), heavy metals and metalloids in birds from baja california, méxico. | organochlorine compounds (ocs) including polychlorinated dibenzo-p-dioxins (pcdds), dibenzofurans (pcdfs), polychlorinated biphenyls (pcbs) and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p-p'-dde), heavy metals (pb, cd, zn, cu), and arsenic were measured in house sparrows (passer domesticus) and common ground doves (columbina passerina) from baja california sur, méxico. concentrations of pcdd/fs were low, with 21 pg/g for house sparrows, and 7.7 pg/g for common ground doves. non-ortho-pcb con ... | 2005 | 15327864 |