Clean Air Act Engineer

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.

Job Description:

• 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

Qualifications and Skills:

• 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