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

Minimizing CEMS Downtime: Maintenance & Upgrade Strategies
CEMS downtime can lead to compliance risks and operational inefficiencies. This guide covers essential strategies for maintaining hardware, upgrading systems, and managing spare parts to minimize disruptions. Field Service Technician V and SME John Cutaia shares how to keep your Continuous Emissions Monitoring System (CEMS) operating efficiently with proactive maintenance and timely upgrades.

Why It Pays to Upgrade Your Data Acquisition System
Upgrading your Data Acquisition System (DAS) isn’t just about staying current—it’s about improving efficiency, ensuring compliance, and reducing costs. Whether you’re facing outdated technology, new regulations, or inefficiencies, the right DAS can streamline operations and enhance data visibility. Learn the key signs that it’s time for an upgrade and how a modern system can maximize your ROI.

ECMPS 2.0 Update: Key Information You Need to Know
Learn about the latest ECMPS 2.0 updates from the EPA, key changes, and how ESC Spectrum is helping you stay prepared.