the biphenyls tested with caged white leghorn pullets were polychlorinated biphenyl ( pcbs ) aroclors 1232 , 1242 , 1248 , 1254 and 1016 and polybrominated biphenyl ( pbb ) pbp-6 at the 5 , 10 and 20 p.p.m . levels .
C0032447
polychlorinated
C0003804
aroclors