Sitewalk & Evaluation
ESC Spectrum’s CEMS Sitewalk and Evaluation process helps operators in various industries assess the condition of CEMS-equipped plants and facilities. During this process, our expert technicians inspect the safety and condition of the facility’s CEMS equipment, including probes, sample lines, shelters, and more, to identify potential problems. Based on our findings, we will present our recommendations based on your specific needs and budget requirements.

Four-Step CEMS Sitewalk and
Evaluation Process
Our team of technicians has over five decades of experience in
CEMS and is well-known for high-quality work. ESC Spectrum’s four-step CEMS Sitewalk and Evaluation process helps you
identify problems before they become critical.
- Step 1: Sitewalk of your CEM systems to determine the health of the components
- Step 2: Assessment with a detailed description of our recommendations, including the replacement of components
- Step 3: Source CEMS components needed to perform repairs and upgrades
- Step 4: Professional installation by our seasoned technicians
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.