The Source Blog
Welcome to The Source, ESC Spectrum's air emissions compliance blog.
After 50 years in the air emissions compliance industry, we’ve seen it all. We are passionate about helping people comply with clean air regulations and believe in sharing what we’ve learned with others. The Source blog provides explanations and advice regarding federal, state, and local regulations, Continuous Emissions Monitoring Systems (CEMS) best practices, audit checklists, case studies, news, and more. Want to suggest a blog topic or participate in a case study? We would love to hear from you.
Want email updates for blog posts? Follow the steps in this video to add our RSS Feed!
RSS Feed Link: https://escspectrum.com/feed/
Search The Source Blog
Read Latest Posts

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.

Challenge vs. Solution: Enhancing Emissions Data Review & Reporting with StackVision
Accurate air emissions data is critical for regulatory compliance–even small discrepancies can lead to reporting issues, audits, and penalties. While daily and weekly data reviews are not required by regulations,

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 Whether you’re facing outdated technology, new regulations, or inefficiencies, the right DAS can streamline operations and enhance data visibility.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.

Understanding Part 60 and Part 63 Excess Emissions and Performance Summary Reports
This blog dives into Part 60 and Part 63 reporting requirements, specifically focusing on Semiannual Excess Emissions and Monitoring Systems Performance Reports.

Tracking Fuel Gas Sulfur Content: Why It Matters and How to Do It Right
Accurate fuel gas sulfur tracking is critical in the oil and gas industry to meet regulatory standards, protect equipment, and reduce environmental impact. This blog explores challenges in monitoring sulfur content, methods like Continuous Emissions Monitoring Systems (CEMS), and how advancements in technology help industries achieve precise and reliable sulfur management.

Understanding the Data Assessment Report (DAR) for CEMS Audits
The Data Assessment Report (DAR) is a crucial but often overlooked component of CEMS audit compliance. This guide breaks down what needs to be included, from quarterly accuracy results to EPA audit sample requirements, helping you keep up with regulations and streamline your reporting process.

Tail Gas Treatment Units (TGTUs): Essential for Sulfur Recovery
Read this post to discover how Tail Gas Treatment Units (TGTUs) help refineries meet stringent sulfur recovery and emissions control standards. This blog covers essential TGTU technologies, regulatory requirements, and the vital role that TGTUs play to improve sulfur recovery efficiency.

PM CEMS and PS-11 Compliance Explained: Best Practices for Reliable Particulate Matter Monitoring
Read this post for a deeper understanding of the certification requirements for PM CEMS, with a special emphasis on the PS-11 Correlation.
Case Studies

StackVision™ Case Study: New Orleans Power Station
Learn how the New Orleans Power Station used StackVision for Reciprocal Internal Combustion Engine (RICE)-specific monitoring and reporting.

StackVision™ Case Study: Petrochemical Plant
Learn how a Petrochemical plant used the StackVision Data Acquisition System for a +200K ROI by reducing Emergency Work Orders by 50%.

CEMS Solutions Case Study: O-I
Learn how the Owens-Illinois (O-I) glass manufacturer used ESC Spectrum’s full suite of CEMS solutions to meet air compliance challenges.

StackVision™ Case Study: Calumet Refinery
Learn how Calumet refinery used the StackVision DAS for flare monitoring and compliance with the Refinery Sector Rule (RSR).
Latest News

U.S. Environmental Protection Agency (EPA) Greenlights ESC Spectrum’s New Integrated Path CEMS (IP CEMS) Technology for Air Emissions Compliance
ESC Spectrum, a leading provider of environmental compliance solutions, is excited to announce the successful demonstration of Integrated Path CEMS for air emissions monitoring and reporting.

ESC Spectrum Launches Interim Reporting Services to Support Facilities with Temporary Reporting & Regulatory Help
ESC Spectrum is excited to introduce Interim Reporting Services, designed to help facilities maintain compliance during short-term staffing challenges. Our expert team provides support with data review, permit compliance, QA/QC management, and more—ensuring critical reporting obligations are met accurately and on time.

ESC Spectrum Academy Launches CEMS Training to Streamline Technician Education
Designed with technicians’ busy schedules in mind, the self-paced, online CEMS training empowers techs to learn best practices without interrupting daily operations.

ESC Spectrum Hosts Record-Breaking 2024 User Group Event in Pensacola Beach
ESC Spectrum’s 2024 User Group in Pensacola Beach set a new attendance record and hosted some of the most substantial training sessions to date.
Subscribe to Our Quarterly Newsletter!
Discover Upcoming Events
Webinar: New 8864 Data Controller Firmware Features & How to Use Them
ESC Spectrum 10801 N MOPAC EXPY, AUSTIN, United StatesJoin Senior Research and Development Manager Anthony Dougherty to learn about the newest features introduced in the 8864 Data Controller Generation 2 Firmware release and how to use them. Features […]
Webinar: New StackVision Alarm Features
ESC Spectrum 10801 N MOPAC EXPY, AUSTIN, United StatesJoin System Support Engineers Elizabeth Eastlund and Josh Sumner to learn about the new alarm email groups featured and introduced in StackVision. This webinar will cover how the new alarm […]
Training Event: ESC Spectrum at EPRI CEMUG Conference & Exhibit
The Westin Peachtree Plaza 210 Peachtree St. NW, Atlanta, GA, United StatesJoin us on May 19 from 8 AM - 5 PM for exclusive training sessions provided by ESC Spectrum CEMS and regulatory experts. This event will feature two sessions: CEMS Maintenance Best Practices and Regulatory Training for CEMS Technicians. Register Now!