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.
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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.

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 Whether you’re facing outdated technology, new regulations, or inefficiencies, the right DAS can streamline operations and enhance data visibility.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

The Importance of Staged Flares and Valve Positioning in Refining Processes
This blog explores the critical role of staged flares and valve positioning in refining operations, highlighting their impact on emissions monitoring, compliance with EPA regulations, and overall operational efficiency through the use of StackVision DAS.

Understanding Thermal Oxidizers and Their Role in Emission Control: Key Insights for the Refining Industry
Learn how thermal oxidizers operate alongside data acquisition systems to ensure EPA compliance and accurate data collection in refineries.

Benefits of Upgrading Your Data Acquisition System (DAS)
In today’s regulatory landscape, ensuring air emissions compliance is crucial. A reliable and robust Data Acquisition System (DAS) plays a pivotal role a Continuous Emissions Monitoring Systems (CEMS). Upgrading your DAS offers numerous benefits, read more to explore the advantages of upgrading and what you can expect from the DAS changeout process.
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

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.

New Release: Prism Version 2.0 Data Acquisition System
We’re excited to announce the release of Prism Version 2.0! This release provides new features designed to make CEMS compliance and monitoring easier and more productive than ever.
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Discover Upcoming Events
Webinar: The Power Of Data Review: Why it Matters in Compliance & Reporting
ESC Spectrum 10801 N MOPAC EXPY, AUSTIN, United StatesJoin Lead Regulatory & Reporting Engineers Edward Elizondo and JessLee Sanchez to learn about the importance of Data Review in reporting and compliance. Conducting thorough data reviews allows your facility […]
Webinar: 8864 Data Controller Firmware Upgrade – What’s New & Why It Matters
ESC Spectrum 10801 N MOPAC EXPY, AUSTIN, United StatesJoin Senior Research and Development Manager Anthony Dougherty to learn about the new features available in the upcoming 8864 Data Controller Firmware Generation 2 Upgrade. Register Now!
Webinar: New StackVision Alarm Features
ESC Spectrum 10801 N MOPAC EXPY, AUSTIN, United StatesJoin System Support Engineer II Darren Hemingway to learn about the new alarm notifications featured and introduced in StackVision. This webinar will cover how the new alarm notifications work and how you […]