Clean Air Act Engineer

ERG is a research and consulting firm that provides a wide range of support to federal, state, and commercial clients. ERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. We hire people with the best minds and then provide them with a vibrant and flexible environment in which to develop their careers.

The qualified individual must be highly motivated with the skills to prioritize, perform, and communicate effectively in a fast-paced environment.

ERG is seeking a highly qualified candidate who possesses exceptional management, organizational, and communication skills, with a strong background in Clean Air Act statutes, regulations, and policy—particularly in permitting and enforcement.

• Perform, review, and evaluate air dispersion modeling analyses using tools such as AERSCREEN, AERMOD, including:
  • Performing modeling applicability determinations consistent with federal, state, and local guidance
  • Identifying representative meteorological data
  • Establishing representative source parameters and potential emissions rates
  • Establishing background concentrations and identifying nearby sources to be explicitly modeled consistent with applicable federal and state guidelines
  • Evaluating NO to NO2 conversion and secondary pollutant formation consistent with applicable federal and state guidelines
  • Evaluating compliance with National Ambient Air Quality Standards (NAAQS), significant impact levels (SILs), and PSD increments
• Perform toxic air pollutant evaluations consistent with federal, state, local, and Tribal agency air toxics programs using AERSCREEN and other screening tools
• Draft Clean Air permits, including minor source, Title V, PSD, and major nonattainment permits
• Ensure drafted permits comply with SIP-approved rules, EPA regulations and policies, and applicable statutes
• Review proposed permits from State and local agencies for conformity with regulations and policy, including applicability determinations, potential to emit, monitoring requirements, and control technologies
• Draft and review control technology determinations, including BACT and LAER analyses
• Review draft regulations to ensure conformance with EPA requirements
• Research alternative approaches to compliance with EPA regulations based on similar State rules
• Mentor and provide guidance to less experienced staff
• Manage multiple projects and small project teams simultaneously
• Collaborate and communicate effectively with clients and internal stakeholders
• Prepare clear, thorough technical documents and reports

• B.S. or M.S. in Engineering, preferably Civil, Mechanical, Chemical, or Environmental
• Solid knowledge of Clean Air Act laws and regulations as they pertain to permitting
• Minimum of five years of experience completing, reviewing, and/or evaluating air dispersion modeling analyses
• Proficiency in AERMOD, AERSCREEN, AERMET, AERSURFACE, and AERMET, and familiarity with EPA’s Guideline on Air Quality Models (40 CFR Part 51, Appendix W)
• Experience with VISCREEN, CALPUFF, and/or other visibility models preferred
• Minimum of five years of experience implementing Clean Air Act regulations, including drafting and/or reviewing permits or permit applications
• Proficiency in Microsoft Excel and Word
• Strong writing and communication skills, with the ability to present project findings effectively to a variety of stakeholders, both orally and in writing
• Excellent time management skills, with the ability to manage multiple projects simultaneously, meet tight deadlines, and deliver high-quality, client-ready work

$90,000 - $120,000 a year

ERG offers competitive salaries and excellent benefits, including health and dental…