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ESC Spectrum provides facilities with Continuous Emissions Monitoring System (CEMS) solutions in a wide variety of industries – from Power Generation to Petroleum Refineries to Glass Manufacturers and more.
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Contact ESC Spectrum
ESC Spectrum Locations
Please send all business email to the Pensacola, FL location
512-250-7900
General Inquires Email
4404 Guion Rd.
Indianapolis, IN 46254
317-856-9400
General Inquiries Email
6017 Enterprise Drive
Export, PA 15632
724-387-2367
General Inquiries Email
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.