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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
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We Are a Turnkey CEMS Provider
If it's related to Continuous Emissions Monitoring Systems, we can help.
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We're Your Data Acquisition System Partner
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including Reporting, Engineering, Regulatory and IT services.
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We make hard-working devices that accurately and securely acquire, store and protect
your CEMS data from communications failures within your DAS system.
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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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From The Source Blog

New Release: QAInsight™ Version 1.3 Now Available

May 31, 2023

QAInsight helps industrial companies solve challenges with scheduling, planning, and tracking a myriad of activities related to performing Quality Assurance tests required by state and federal agencies. Enhancements in Version 1.3 offer new features to improve overall user experience.

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The Importance of CEMS Probe Maintenance

May 18, 2023

The continuous emissions monitoring probe is the initial contact with the sample being drawn for monitoring. Preventative maintenance can help keep your probe functioning and provide you with years of reliable data and service. Our Field Service Technicians recommend inspecting probes annually to ensure they operate properly.

Read More »