Abstract
The criteria for selecting the methods that allow the calculation of pollutant emissions, establish that monitoring and direct measurements are preferably carried out at the sources. The drawback lies in the high costs in time and money, the difficulty in accessing the sampling points and the need for a physical, technical and specialized human resources infrastructure. On the other hand, there are indirect methods based on emission factors, activity rates, estimation using historical data, material balance, engineering calculations and mathematical emission models. In this work, the design of an instrument to measure environmental quality is presented.
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