Providing a full range of air quality services (stack testing, continuous emissions monitoring, ambient monitoring,and consulting) to clients throughout the United States

We are dedicated to providing our clients with technical excellence and innovative, cost-effective solutions to help them respond to their air compliance challenges.

Source Testing

Whatever your industry, AASI can service your stack and emissions testing needs. Our teams are qualified to perform nearly all EPA, NIOSH, and NCASI test methods.


AASI is a Continuous Emission Monitoring Systems integrator with the capability to custom design monitoring systems for your specific needs.

Ambient Monitoring

We offer a “total package” of services including network design to EPA specifications, equipment, setup, operation, maintenance and data retrieval.


AASI works closely with our clients to understand their needs and processes to reach their ultimate goals. We offer a number of consulting services.

Sustainable Practices

At AASI we believe sustainability and environmental matters to be vitally important globally and locally.

We also offer equipment rentals.

AASI’s equipment division provides competitive rates on daily, weekly and monthly rentals for  stack, ambient, and CEMS equipment.

A Cost Effective Approach

Whether we are conducting a stack test, installing a CEMS, operating an ambient site, or providing advice; we are dedicated to maximizing the conservation of time and money while not sacrificing quality. Our robust experience helps us achieve this. AASI personnel are committed to keeping each client’s needs, including their budgets, key at every level of our services.


Our mission is to build long-term client relationships by providing sound scientific solutions to challenges they face.


Safety first. We focus on fiscal conservancy, efficiency, and integrity which all leads to maintaining a strong work ethic.

Get in Touch

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