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:
Game On
We, Not Me
Do Right By The Customer
From The Source Blog
Air Emissions Calibration Testing: Staying Compliant With Daily and Quarterly Requirements
Accurate air emissions calibration testing is essential for maintaining compliance and ensuring reliable CEMS performance. This blog breaks down daily and quarterly calibration test requirements, explains how offline calibrations are used, and clarifies what causes out-of-control data.
Alliance Technical Group Acquires ESC Spectrum, Cementing Global Leadership in Continuous Emissions Monitoring (CEMS) and Data Acquisition Systems (DAS)
ESC Spectrum is now part of Alliance Technical Group, combining forces to deliver the most comprehensive CEMS and DAS compliance platform in the industry. This strategic acquisition strengthens our ability to serve customers with expanded resources, nationwide support, and end-to-end environmental solutions.
CEMS Probe Maintenance: Extractive vs. Dilution Systems
CEMS probes are the first point of contact with the gas sample line in your emissions monitoring system. Discover why routine maintenance is critical—and how to do it right.