PRESENCE OF ANTI-INFLAMMATORY DRUGS IN SURFACE WATERS OF TAPACHULA CHIAPAS, MEXICO

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Samuel Cruz Esteban
El Colegio de la Frontera Sur, Chiapas, México.
Leopoldo Cruz López
El Colegio de la Frontera Sur, Chiapas, México.
Edi A. Malo
El Colegio de la Frontera Sur, Chiapas, México.
Javier Valle Mora
El Colegio de la Frontera Sur, Chiapas, México.
Dulce M. Infante Matha
El Colegio de la Frontera Sur, Chiapas, México.
Antonio Santiesteban Hernández
El Colegio de la Frontera Sur, Chiapas, México.
Rubén Gutiérrez Hernández
Departamento de Ingeniería Química y Bioquímica, Instituto Tecnológico de Tapachula.
Ricardo Bello Mendoza
El Colegio de la Frontera Sur, Chiapas, México. Department of Civil and Natural Resources Engineering, University of Canterbury, Christchurch, New Zealand.

Abstract

This study investigated the presence of three non-steroidal anti-inflammatory drugs (NSAIDs: naproxen [NPX], ketoprofen [KFN] and ibuprofen [IBF]), in surface water bodies receiving mostly untreated sewage from the city of Tapachula (South Mexico). Samples were taken during three sampling campaigns from two rivers (Coatán and Texcuyuapan), one urban stream (Coatancito), and one coastal lagoon (Barra San Simón), and the samples were analyzed by gas chromatography-mass spectrometry. Results showed high concentrations of NPX (17.83-142.50 μg L-1), KFN (5.30-67.87 μg L-1) and IBF (3.97-31.30 μg L-1), present in most samples. Correlation analysis between target compounds and physicochemical parameters supported the view that sewage discharge is the main source of these pollutants. Furthermore, estimated hazard indexes suggested a potential threat to aquatic organisms (algae, daphnids and fish) due to high concentrations of NPX and IBF in surface water.

Key Words: Developing community, Emerging contaminants, Hazard index, Developing countries.

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How to Cite
[1]
Cruz Esteban, S., Cruz López, L., A. Malo, E., Valle Mora, J., Infante Matha, D.M., Santiesteban Hernández, A., Gutiérrez Hernández, R. and Bello Mendoza, R. 2014. PRESENCE OF ANTI-INFLAMMATORY DRUGS IN SURFACE WATERS OF TAPACHULA CHIAPAS, MEXICO. Revista AIDIS de ingeniería y ciencias ambientales: Investigación, desarrollo y práctica. 7, 2 (Aug. 2014).

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