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What is a CEM System?

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INDUSTRY-LEADING EXPERTISE

Why ESC Spectrum?


Our History


ESC Spectrum Are Air Emissions Industry Leaders

ESC Spectrum is passionate about helping industrial plants comply with clean air regulations by providing Continuous Emissions Monitoring System (CEMS) solutions. We are a turnkey provider with over 50 years of experience in air emissions compliance. Our Data Acquisition Systems are market leaders and serve over 3100 sources. We build high-quality shelters and conduct testing, repair, maintenance, and more. 

We take care of our people. We value them and make ESC Spectrum a positive environment to work in and give our employees a feeling of purpose.

ESC Spectrum employees support our core values:


ESC Spectrum CEMS and DAS For Refineries

Industry-leading CEMS
Data Acquisition SystemsJoin the +3100 facilities across the U.S. who trust ESC Spectrum for
air emissions monitoring and reportingLearn moreWe Are a Turnkey CEMS Provider If it’s related to Continuous Emissions Monitoring Systems, we can help.Contact UsWe’re Your Data Acquisition System PartnerOur 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 ControllersWe make hard-working devices that accurately and securely acquire, store and protect
your CEMS data from communications failures within your DAS system.Learn MoreTotal CEMS Solutions From a Single SourceWe’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.Contact Us For a QuoteFive Star Customer SupportOur products are supported by in-house, US-based, cross-trained 24/7/365 expert customer support.Learn About Support
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