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.
From The Source Blog

Continuous Emissions Monitoring 101: Calibration Gas & Requirements
This article will discuss and clarify calibration gas requirements for CEMS users including, system calibration, cal gas bottles, and more.

Continuous Emissions Monitoring 101: Extractive CEMS Umbilical
Read this article to learn more about extractive CEMS umbilicals, from construction and installation to maintenance best practices.

How to Successfully Plan and Complete a Relative Accuracy Test Audit
Learn about what a Relative Accuracy Test Audit (RATA) is and what measures to take leading up to your test, the day of, and afterwards.