Cornerstone Environmental Group, LLC

Air Quality Services


Cornerstone provides air quality services to clients across a wide range of industrial and commercial sectors. Offering air quality services from project design support through permitting, to post-permit compliance, our skilled air quality staff supports clients through an entire process. Our air quality services personnel include a diverse mix of mechanical, chemical, civil, and environmental engineers, working alongside air pollution scientists with a depth of experience in all areas of air quality services. Many of our air quality personnel have both consulting and regulatory experience.  Our approach includes extensive hands-on experience in examining production processes from the perspective of emissions and regulatory compliance.


  • New Source Review (NSR) and Title V Air Permitting, including Best Available Control Technology (BACT)/Lowest Achievable Emission Rate (LAER) evaluations/state-specific BACT/BAT
  • Atmospheric dispersion modeling (toxics, NSR/PSD, state-specific requirements)
  • NSPS/NESHAP/permit compliance support
  • Compliance assessments and emission source inventories
  • Ambient air monitoring/monitoring plan development
  • Point source emissions testing review and oversight
  • Community awareness/public relations support

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