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Standards Development
The Standard specifies the framework for determining emissions to the atmosphere of Volatile Organic Compounds (VOCs). It defines a system of methods to detect and/or identify and/or quantify VOC emissions from industrial sources. These methods include Optical Gas Imaging (OGI), Differential Absorption Lidar (DIAL), Solar Occultation Flux (SOF), tracer correlation, flux chamber measurement techniques, calculation and estimation methods. It defines an integrated framework to enable the selection and use of the appropriate techniques. It specifies the methodologies and the schedules for carrying out all the above, and also defines the performance requirements and capabilities of the direct monitoring methods, the requirements for the results and their measurement uncertainties. It specifically addresses the petrochemicals, oil refining, and chemical industries receiving, processing, storing, and/or exporting of VOCs, and includes the emissions of VOCs from the natural gas processing/conditioning industry and the storage of natural gas and similar fuels. The Standard is complementary to EN 15446 which is used to locate leak sources and quantify the resulting VOC emissions within the scope of a Leak Detection and Repair Programme (LDAR).
The control of the emissions of VOCs to atmosphere due to their losses during storage or transport is covered by the industrial emissions (Directive 2010/75/EU) which is supported by the Best Available Techniques Reference documents (BREFs). These set out the best available techniques for defined industrial activities and/or across these activities. Several BREFs also cover the prevention and control of diffuse emissions of VOCs from industrial storage and transfer activities, in particular the BREFs concerned with mineral oil and gas refineries, large volume organic chemicals, and the “horizontal” BREF on the emissions from storage. This European Standard addresses the determination of VOC emissions to be regulated within permits that are issued according to the Directive.
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