Characterizing emissions from natural gas drilling and well completion operations in Garfield County, CO
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This study was designed to characterize and quantify emission rates and dispersion of air toxics, ozone precursors, and greenhouse gases from unconventional natural gas well development activities in Garfield County, CO, located on top of a geological formation known as the Piceance Basin. Particular focus was placed on quantifying emissions of individual volatile organic compounds (VOCs) and methane during well drilling, hydraulic fracturing (“fracking”), and flowback. While some prior studies have measured VOC or methane concentrations near well development operations, ambient concentrations ...