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[064] Análisis toxicológicos en un núcleo de sedimento del sistema fluvio lagunar Atasta-Pom por acumulación de hidrocarburos aromáticos policíclicos
Cambio Climático y Recursos Hídricos (CCRH)
Ubicación: Room 5 - 26/05/22 17:15 - 26/05/22 17:30 (UTC) (15 minutos)

[064] Análisis toxicológicos en un núcleo de sedimento del sistema fluvio lagunar Atasta-Pom por acumulación de hidrocarburos aromáticos policíclicos
José Emilio Queb Suárez emilioqueb12@gmail.com 9381866164

Ingeniero Químico por la Universidad Autónoma del Carmen. Maestrante en Ciencias Ambientales de la Universidad Autónoma del Carmen. Profesor en el Centro de Estudios Superiores Isla del Carmen (2017-2018). Profesor miembro de las academias de matemáticas y química en la Escuela Preparatoria Diurna, Unidad Académica del Campus II de la Universidad Autónoma del Carmen (2016-2020).


The present work shows a toxicological analysis due to the accumulation of polycyclic aromatic hydrocarbons in the core of sediments collected in the Atasta-Pom fluvial-lagoon system. Aliphatic hydrocarbons (HAs) and polycyclic aromatic hydrocarbons (PAHs) were determined; the HAs presented concentrations between 3.9 and 384.6 ng g-1; while concentrations of PAHs were found between 75.6 and 527.04 ng g-1. The predominant compounds were benzo (a) pyrene (15.48%) and fluoranthene (13.57%), these tend to be persistent and come from vehicle emissions. In the sediment quality analysis, Acenaphthene presented values ​​that were between the SQC-low and SQC-up criteria values, suggesting a frequent monitoring program at the study site. The toxic carcinogenic equivalents and mutagenic equivalents were observed for compounds with high toxicity such as Dibenzo (a,h) anthracene with a TEQBaP of 39.2 - 40.9 ng g-1 and benzo (a) pyrene with a value of 53.4 ng g-1 for both equivalent. The concentration of PAHs was related to the granulometric characteristics of the sediments.


https://zoom.us/j/97633776551?pwd=L2RkcWdKNmdSb3kvQWdxK1ZiNnBEQT09