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.
Where to Install CEMS Probes, Flow Sensors & Opacity Monitors (According to EPA Guidelines)

In this article, read about where you can locate your plant’s CEMS Probes, Flow Probes & Opacity Units on your stack unit & what EPA regulations apply to them.
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.
Continuous Emissions Monitoring 101: Oxygen & Flow Analyzers

Read this article to learn more about two of the most reliable analyzers in the CEMS world: oxygen and flow.
Continuous Emissions Monitoring 101: CO Analyzers

Read this article to learn more about CEMS Analyzers, specifically NDIR technology used to measure Carbon Monoxide (CO).
Continuous Emissions Monitoring 101: SO2 Analyzers

Read this article to learn more about Pulsed Fluorescence technology in CEMS analyzers used for measuring Sulfur Dioxide (SO2) gas.
Continuous Emissions Monitoring 101: Air Clean Up Systems

Read this article to learn more about CEMS Air Clean-Up Systems in the CEMS cabinet or shelter, such as preventative maintenance & components.
Continuous Emissions Monitoring 101: Extractive CEMS Probes

Read this article to learn more about extractive CEMS Probe processes, steps, and components from industry experts.
Continuous Emissions Monitoring 101: Extractive CEMS Flow Overview

Read this article to learn more about extractive CEMS flow processes, steps, and components from industry experts.
QAQC Manuals: What You Need to Know

In this article, we will outline requirements and discuss the elements a good QAQC Manual typically includes.