nine organochlorine compounds were detected : alpha- and gamma-hch/bhc ( hexachlorocyclohexane/benzene hexachloride ) , aldrin , dieldrin , p , p'-dde [ 1,1-dichloro-2,2-bis ( p-chlorophenyl ) ethylene ] , p , p'-ddd ( tde ) [ 2,2-bis ( p-chlorophenyl ) -1,1-dichloroethane ] ( tetrachlorodiphenylethane ) , o , p'-ddd [ 2- ( o-chlorophenyl ) -2- ( p-chlorophenyl ) -1,1-dichloroethane ] , o , p'-ddt [ 2- ( o-chlorophenyl ) -2- ( p-chlorophenyl ) -1,1,1-trichloroethane ] , and p , p'-ddt .
C0020247
organochlorine compounds
C0026256
o , p