International Journal of Environmental Research and Public Health Article Artisanal and Small Gold Mining and Petroleum Production as Potential Sources of Heavy Metal Contamination in Ecuador: A Call to Action José Luis Rivera-Parra 1,2,*, Bernardo Beate 3, Ximena Diaz 4 and María Belén Ochoa 1 1 Departamento de Petróleos, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, 170525 Quito, Ecuador;
[email protected] 2 Departamento de Biología, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, 170525 Quito, Ecuador 3 Departamento de Geología, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, 170525 Quito, Ecuador;
[email protected] 4 Departamento de Metalurgia Extractiva, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, 170525 Quito, Ecuador;
[email protected] * Correspondence:
[email protected] Abstract: Mining and petroleum production are the source of many elements and base materials fundamental for our modern way of life. The flip side of these keystone industries is the envi- ronmental degradation they can cause if not properly managed. Metallic mining and petroleum production can contaminate the local ecosystem with sediments, chemicals used in the industrial processes and heavy metals, part of the metallic ore or oil reservoir. The objective of this project was to analyze the spatial distribution of the presence of different potentially hazardous elements Citation: Rivera-Parra, J.L.; Beate, B.; that make up the metallic deposits and oil reservoirs in Ecuador, focused mainly on artisanal and Diaz, X.; Ochoa, M.B. Artisanal and small-scale gold mining (ASGM) districts. Additionally, we were interested in analyzing this in- Small Gold Mining and Petroleum Production as Potential Sources of formation under the local political and administrative contexts which are key to determining how Heavy Metal Contamination in likely it is that mismanagement of the local mineral deposits and petroleum exploitation projects Ecuador: A Call to Action.