Organochlorine pesticide residue concentrations in biota and sediments from Rio Palizada, Mexico

• Published in: Bulletin of environmental contamination and toxicology 1995-04, Vol.54 (4), p.554-561
• Main Authors: Gold-Bouchot, G. (Centro de Investigacion y de Estudios Avanzados del IPN, Yucatan (Mexico)), Silva-Herrera, T, Zapata-Perez, O
• Format: Article
• Language: English
• Subjects: ALDRIN; Aldrin - analysis; Aldrin - metabolism; Animal, plant and microbial ecology; Animals; Applied ecology; BIFENILOS POLICLORADOS; Biological and medical sciences; Bivalvia - metabolism; brachidontes recurves; Brachidontes recurvus; COURS D'EAU; crassostrea; CRASSOSTREA VIRGINICA; CURSOS DE AGUA; DDT; DDT - analysis; DDT - metabolism; Decapoda (Crustacea) - metabolism; Ecotoxicology, biological effects of pollution; ENDRIN; Endrin - analysis; Endrin - metabolism; ENDRINE; Freeze Drying; Fresh Water; Fundamental and applied biological sciences. Psychology; Hexachlorobenzene - analysis; Hexachlorobenzene - metabolism; Hexachlorocyclohexane - analysis; Hexachlorocyclohexane - metabolism; HHDN; Insecticides - analysis; Insecticides - metabolism; LINDANE; LINDANO; Marine; Marine and brackish environment; MEJILLON; MEXICO; MEXIQUE; MOULE; MUSSELS; Ostreidae - metabolism; palizada river; PENAEUS SETIFERUS; PESTICIDE; Pesticide Residues - analysis; Pesticide Residues - metabolism; PESTICIDES; Pilot Projects; PLAGUICIDAS; POLYCHLORINATED BIPHENYLS; Polychlorinated Biphenyls - analysis; Polychlorinated Biphenyls - metabolism; POLYCHLORURE DE BIPHENYLE; RESIDU; RESIDUES; RESIDUOS; RIVERS; SEDIMENT; SEDIMENTO; Water Pollutants, Chemical - analysis; Water Pollutants, Chemical - metabolism
• ISSN: 0007-4861; 1432-0800
• DOI: 10.1007/BF00192599

The concentrations of organochlorine pesticides in recent sediments and Crassostrea virginica, Brachidontes recurvus and Penaeus setiferus in the Palizada river were assessed. Using the internal standard 2,4,5-TCB, the average recovery in recent sediments was 86.6 per cent, while in organisms it was 88.8 per cent. The content in organisms were relatively low, with the exception of C. virginica at one station which had a concentration of total organochlorines of 246 ng per g. Concentrations in sediments were lower and rarely exceeded 1 ng per g. Endosulfan sulphate, chlordane and aroclor residues were not detected in sediments, but could be detected in organisms. Highly significant correlations were found between the concentration of total organochlorines and the organic carbon content.