2. Overview of the methods used to determine emissions
Four methods can be used to determine emissions into the air, each with its own advantages, disadvantages and limitations. The four methods are: measurement, balance, correlation and emission factor.
2.1 Measurement
The principle consists in measuring the concentration of various substances in the effluent or in the discharged plume, using an appropriate measurement chain.
The most widespread application is the monitoring of stationary canalised industrial sources (typically a chimney) within the framework of current regulatory provisions. When the device is permanently installed, discharge measurements are continuous and provide highly accurate information on temporal variations and, consequently, on emissions of the substances observed...
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Overview of the methods used to determine emissions
Basic principles of emission inventories
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