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. 2018 Jul 29:2018:8532463.
doi: 10.1155/2018/8532463. eCollection 2018.

Intake Fraction of PM10 from Coal Mine Emissions in the North of Colombia

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Intake Fraction of PM10 from Coal Mine Emissions in the North of Colombia

Heli A Arregocés et al. J Environ Public Health. .

Abstract

Intake fraction was determined in this study to provide insight into population exposures to PM10 that is effectively inhaled due to emissions of an opencast coal mine. We applied the CALPUFF model to a coal mine in Northern Colombia, which has 6 active pits with an annual production of 33.7 million tons. We estimated the intake fractions for 7 towns through the integration of dispersion model results over the population data. The resulting average intake fractions were between 6.13 × 10-9 and 3.66 × 10-8 for PM10. 62.4% of the intake fractions in the domain were calculated within a 23 km radius from the coal mine and coved 44.3% of the total population in this area. We calculated an estimate point for morbidity impacts using standard epidemiological assumptions. It is estimated that there were annually 105835 restricted activity days and 336832 respiratory symptom cases due to the direct impact of the opencast coal mining. These data also provide a framework for improved understanding of the effect of coal mining in Colombia.

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Figures

Figure 1
Figure 1
Towns and coal mine located in Northern Colombia. Points in red color represent the most populated towns in the region.
Figure 2
Figure 2
Map of regional-scale mining source intake fractions (PM10) for Northern Colombia.
Figure 3
Figure 3
Annual average mining source contribution (%) among the PM10 intake fraction towns.

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