Comparative analysis of PM10 particulate matter

Roberto Rojano Alvarado; Jhonny Pérez Montiel; Jorge Deluque

doi:10.17533/udea.redin.14596

Authors

Roberto Rojano Alvarado University of La Guajira
Jhonny Pérez Montiel University of La Guajira
Jorge Deluque University of La Guajira

DOI:

https://doi.org/10.17533/udea.redin.14596

Keywords:

particles, sampling, humidity, concentration, regression

Abstract

This paper presents the concentrations of PM10 in the urban area of Riohacha, Colombia. Two simultaneous sampling methods are compared. The high-volume sampler PM10, Graseby Andersen and a nephelometer DataRam 4 (Thermo Electron corporation). Data was collected over three months in two sites (Desalud and Bienestar) of the urban area of Riohacha. The results show that the average PM10 concentration was 23.64 μg/m3 and 36.86 μg/m3 in the two stations using the DataRam 4 and 25.09 μg/m3 and 36.64 μg/m3 using the high-volume sampler PM10. The correlation analysis shows a positive consistency for all the pairs in these two monitoring methods: R2 = 0.5377 for the season Desalud and R2 = 0.7276 for the season Bienestar. The coeffi cient increased when the results were correlated to the days with RH less than 70%: R2 = 0.89 station Desalud and R2 = 0.69 Bienestar Station. The results showed that the photometric method (DataRam 4) can be used to determine concentrations of particulate matter PM10 at Riohacha environmental conditions.

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Author Biographies

Roberto Rojano Alvarado, University of La Guajira

Institute of Environmental Studies and Water Use, Faculty of Engineering.

Jhonny Pérez Montiel, University of La Guajira

Institute of Environmental Studies and Water Use, Faculty of Engineering.

Jorge Deluque, University of La Guajira

Institute of Environmental Studies and Water Use, Faculty of Engineering.

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