Analyzing and characterizing air emissions from a variety of air pollution sources. Determining air emissions reduction potentials from control technology scenarios. Reviewing new, existing and modified state air quality regulations and plans to determine if they meet federal Clean Air Act requirements. Reviewing proposed federal and state air quality rules, policy and plans to determine if they are as rigorous and stringent as possible. Thorough experience with the requirements of particulate matter control through state implementation plan requirements under the Clean Air Act. Thorough experience in reviewing federal and state rules and plans regarding oil and gas development with respect to nitrous oxide, particulate, volatile organic compounds, hazardous air pollutant and methane emissions.

Acted as the Environmental Protection Agency Region 8 Particulate Matter Program Manager. Participated in development of air pollution control regulations for Colorado, Montana, Utah, Wyoming, North Dakota, South Dakota and local Tribal governments. Represented all EPA Regions as the Regional lead on particulates and collaborated with the EPA's headquarters office on policy development and implementation. Presented information updates and issues to State and Tribal environmental divisions, including State Air Directors and State Air Quality Boards. Presented public outreach on outdoor air, indoor air, and asthma. Reviewed, evaluated and approved state air quality plan revisions. Responded to state, local and private inquiries to requirements and implementation of the Clean Air Act. Coordinated and conducted internal and external meetings to evaluate, resolve, and implement solutions to issues with technical, legal, and managerial personnel. Served on the EPA Region 8 agricultural task team.