Determinación de plaguicidas organoclorados en leche materna en Costa Rica

Abstract

DDT and DDE We[e detected in the milk of 51 nursing mothers in Costa Rica. In the provinces of Puntarenas, Guanacaste and Limón, where a campaign against malaria taok place during the last thrce dec­ades and where CJops are intensively sprayed, the amallot of total DDT ranges Crom 0.12 to 2.60 ppm (mean 1.27 ppm), comparatively, the data of total DDT yielded ao average of 0.11 ppm (range 0.01-1.22 ppm) in the provinces of San José, Heredia and Cartago, not so intensively cxposed to pesticides. Higher concentra· tians of the mctabolitc DDE in lOO%of the samples indicated ehronie contaminations.