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  • Title: [Determination of organochlorine insecticides in human milk in Costa Rica].
    Author: Umaña V, Constenla M.
    Journal: Rev Biol Trop; 1984 Nov; 32(2):233-9. PubMed ID: 6545621.
    Abstract:
    DDT and DDE were detected in the milk of 51 nursing mothers in Costa Rica. In the provinces of Puntarenas, Guanacaste and Limón, where a campaign against malaria took place during the last three decades and where crops are intensively sprayed, the amount of total DDT ranges from 0.12 to 2.60 ppm (mean 1.27 ppm), comparatively, the data of total DDT yielded an average of 0.11 ppm (range 0.01-1.22 ppm) in the provinces of San José, Heredia and Cartago, not so intensively exposed to pesticides. Higher concentrations of the metabolite DDE in 100% of the samples indicated chronic contaminations.
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