top of page
Air Quality Compliance

Air Quality

Ashworth Leininger Group (ALG) is recognized as a leader in Title V permitting matters: our staff has authored papers with EPA senior staff on Title V implementation issues, provided expert testimony on Title V requirements, and prepared scores of Title V permit applications for complex source operations around the United States. Staff also serves on agency sponsored task-forces and peer review panels, and has been admitted as expert witnesses in federal and state litigation.

Our Strengths

  • Solid understanding of local air quality regulatory requirements in the major California air districts: Bay Area AQMD, South Coast AQMD, San Joaquin Valley APCD, San Diego APCD;

  • Client base extends across several states including: California, Oregon, Washington, Texas, Louisiana, Hawaii, Alaska, among others;

  • Successful collaboration with client, local agencies, state agencies, and Federal EPA to secure approval of necessary permits and plans;

  • Routinely assists major source facilities, including refineries, oil and gas operations, electrical power generating facilities, manufacturing facilities, and legal counsel.

Learn more about how ALG can help you with your Air Quality needs

Local Air District Permitting
Local Permitting
Federal Air Permitting
Federal Permitting
Emission Reduction Credit
ERC Acquisition

Our Team

ALG’s dedicated air quality team includes chemists, engineers, geographers, and environmental scientists with significant experience providing guidance in air quality compliance and permitting matters spanning a broad range of industry.


Bart Leininger


Ev Ashworth


Mike Waller

"For the past 15+ years the Ashworth Leininger Group (ALG) staff has provided proficient and professional Oil & Gas Environmental consulting services. Their comprehensive workforce expertise provides highly qualified levels of compliance, technical, project management and engineering related services."

- Environmental Coordinator, Major Oil & Gas Company

bottom of page