Impact on air quality of emission due to particulate matter emissions during ore transport
Keywords:
quarries, dispersion, emissions, particulate matter, SCREEN3Abstract
Background: Mining activity is an important source of air pollution where large amounts of particulate matter are produced that cause respiratory diseases and damage to ecosystems.
Objective: To determine the impact on air quality resulting from the transport of ore on unpaved roads from the quarry front to the production centers in the UEB Mariel Quarries, Artemisa, Cuba.
Methods: The emission of particulate matter resulting from the transport of ore on unpaved roads was determined using the methodology of the AP 42 standards of the Environmental Protection Agency of the USA. The estimation of particulate matter immission was performed using the simulator SCREEN3 which examines a full range of weather conditions, including all stability classes and wind speeds to find maximum impacts.
Results: The result was an average maximum concentration of 821.59 μg/m3 when trucks are not transporting material and 1113.3 μg/m3 when carrying material for an average distance of 127.7 m. The values obtained are higher than the maximum admissible concentration stipulated in the Cuban standard on air quality NC 1020 2014.
Conclusions: With the methodology of the AP 42 and the SCREEN3 simulator, a study of the air quality in the UEB Mariel Quarries was obtained as a result of the emission of particulate matter during transportation on unpaved roads. The results obtained are closely related to emission rates, which in turn depend on emission factors, road sizes and their corresponding areas.
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