DDE: its presence in peregrine eggs in 1948.
DDE has been eluted from the dried membranes of peregrine egg-shells collected in California from 1948 to 1950, and identified by gas-liquid chromatography.
D000413:Alaska; D000818:Animals; D001717:Birds; D002140:California; D002849:Chromatography, Gas; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis*; D004528:Egg Shell / Q000032:analysis*; D013997:Time Factors
D003633:Dichlorodiphenyl Dichloroethylene