Data on NOx RACT, ozone nonattainment, and power plant employment, and program files used in: Glenn Sheriff, Ann E. Ferris, and Ronald J. Shadbegian, "How Did Air Quality Standards Affect Employment at US Power Plants? The Importance of Timing, Geography, and Stringency," Journal of the Association of Environmental and Resource Economists 6, no. 1 (January 2019): 111-149. Citation information for this dataset can be found in the EDG's Metadata Reference Information section and Data.gov's References section.