Air Quality Services (AQS)

Air Quality Services (AQS)

Air Quality Services (AQS)

Air Quality Services, LLC (AQS) provides regulatory compliant, air-related environmental services to the industrial and utility sectors, including: stack testing, permitting and modeling, CEMS/COMS O&M and integration, ambient air monitoring, and related support services. Over the course of the last three years, AQS has worked closely with Frontier Geosciences, Inc. in developing and implementing mercury-related monitoring and testing services using sorbent tube technologies, with analysis by cold vapor atomic fluorescence spectrophotometry (CVAFS – following the analytical principles contained in USEPA Method 1631). Our substantial experience in this service arena, coupled with our specialized sampling equipment, translates into a valuable resource for companies and utilities desiring cost effective and accurate mercury studies and regulatory compliant CMM certification testing. AQS is also provides turnkey 40 CFR 75 Appendix K integration services.

Company details

425 Main Street , Evansville , Indiana 47708 USA
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Business Type:
Service provider
Industry Type:
Air Monitoring and Testing
Market Focus:
Nationally (across the country)
Year Founded:
$1,000,000 US - $10,000,000 US


Air Quality Services, L.L.C. was founded in 1998 exclusively to provide air-related services.  Our charter is designed to be the “one stop shop” for all of our client’s “air” related concerns, including: stack monitoring (CEMS), consulting/permitting, stack testing, ambient air monitoring, air dispersion modeling, and associated support services, including opacity filter recertification.

Our technical staff averages 13 years of experience in industry, consulting, and government service.  This background, along with solid educational credentials, provides us the knowledge and skills to identify, understand, and resolve our Clients’ regulatory and business needs.

While we add new Clients every month, we are very pleased to have a high level of repeat customers.  The future is very promising, and we are poised to grow our business in response to diverse Client needs.


Air Quality Services is rooted in solid mid-western work ethic, and we treat our clients with honesty and respect. Our goal is to establish relationships with Clients to maintain cost-effective, fully compliant air programs. Our commitment is steadfast: to provide responsive, high quality air-related environmental services in a practical, timely, and legally defensible manner, while upholding an uncompromising position of integrity and confidentiality. Lofty ideals? You bet! Yet we have dedicated ourselves to this philosophy because we understand how important it is to both your business and our Client relationships.  Our mission statement says it best:

Our mission is to be a trusted provider of air-related environmental services.  We aspire to exceed client expectations by imparting exceptional quality and value in meeting corporate needs and fulfilling regulatory requirements.

Our commitment to quality is met through rigorous standards defined in our Quality System. It is our mission to be a trusted provider of air-related environmental services. We aspire to exceed client expectations by imparting exceptional quality and value in meeting corporate needs and fulfilling regulatory requirements.

The AQS Quality Objectives are:

  • To continually monitor and improve our ability to deliver the scope of services;
  • To assign competent, experienced, and knowledgeable personnel;
  • To comply with quality control procedures established in testing & monitoring methods, in the AQS Quality Manual, in 40 CFR, and by regulatory agencies;
  • To prepare deliverables (i.e. reports, permit applications, emission calculations, etc.) that are clear and complete;
  • To utilize recordkeeping systems that allow for data retrieval and reconstruction; and
  • To keep clients apprised of project progress and promptly respond to any concerns.

Metro Indianapolis Coalition for Construction Safety, Inc. (MICCS) is a nonprofit organization dedicated to achieving zero injury on construction job sites. MICCS developed a high standard safety program and only those companies with outstanding safety records and programs have the honor of being MICCS Certified. To become a MICCS Certified Company means that a company’s safety performance is among the top 20% in the nation. Air Quality Services is proud and honored to be a MICCS Certified Company.

Safety is of primary importance in our operations, and AQS is fully committed to our safety policy where both management and staff are dedicated to the principle that accident prevention is an essential part of the planning and efficient execution of every job.  AQS believes that, while risks exist:

  • Accidents and injuries are preventable.
  • Each of us has a personal responsibility for our safety and the safety of others both on and off the job.
  • No business objective is so important that it will be pursued at the sacrifice of safety.
  • Safe conduct of operations is a condition of employment.
  • A job is well done only if it is done safely.

The attitude and efforts of our employees, in conjunction with the policies and procedures in place, have resulted in an excellent safety record. Currently, our EMR is 0.90.