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Industry-leading CEMS
Data Acquisition Systems

Join the +3100 facilities across the U.S. who trust ESC Spectrum for
air emissions monitoring and reporting

We Are a Turnkey CEMS Provider

If it's related to Continuous Emissions Monitoring Systems, we can help.

We're Your Data Acquisition System Partner

Our experienced team of experts support all our your facility's DAS needs,
including Reporting, Engineering, Regulatory and IT services.

See DAS Services

Robust and Reliable Data Controllers

We make hard-working devices that accurately and securely acquire, store and protect
your CEMS data from communications failures within your DAS system.

Total CEMS Solutions From a Single Source

We're a one-stop shop for shelters, testing, parts, repair, maintenance, and more –
everything you need to keep your CEMS system healthy and in compliance.

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Five Star Customer Support

Our products are supported by in-house, US-based, cross-trained 24/7/365 expert customer support.

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Process Control Systems & Services

Experience providing systems that meet the unique requirements of refinery and petrochemical industries.

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Case Studies

StackVision Case Study

StackVision™ Case Study: New Orleans Power Station

September 22, 2021

Learn how the New Orleans Power Station used StackVision for Reciprocal Internal Combustion Engine (RICE)-specific monitoring and reporting.

StackVision PetroChem Refinery Case Study

StackVision™ Case Study: Petrochemical Plant

September 10, 2021

Learn how a Petrochemical plant used the StackVision Data Acquisition System for a +200K ROI by reducing Emergency Work Orders by 50%.

CEMS Solutions for the Glass Industry

CEMS Solutions Case Study: O-I

August 26, 2021

Learn how the Owens-Illinois (O-I) glass manufacturer used ESC Spectrum’s full suite of CEMS solutions to meet air compliance challenges.