Integrated Systems
ESC Spectrum delivers top-of-the-line integrated systems to tackle the most demanding monitoring challenges required by the Environmental Protection Agency. Whether you require custom-built solutions for natural gas and midstream operations, precise process monitoring, efficient flare gas management, or comprehensive fenceline and ambient air monitoring, we have the technology and expertise to meet your unique needs. Explore our range of solutions below and let us enhance your facility’s operations.
Continuous Emissions Monitoring
Natural Gas and Midstream
Process Monitoring
Flare Gas Monitoring
Fenceline & Ambient Air
Shelters, Racks & Enclosures
ESC Spectrum has decades of experience providing integrated systems for air emissions compliance in various industries and applications.
Our integration specialists are experts in the design and construction process – from understanding permit and regulatory requirements and technical planning to installation, start-up, maintenance, and operation.
ESC Spectrum provides the following integrated systems for EPA Part 75, Part 60, and Part 63 requirements:
- Hazardous area CEM systems
- Dilution CEMS
- Full Extractive Dry Basis CEMS
- In-situ CEMS
- Hybrid CEMS
- Hot/Wet Extractive CEMS
- Mobile testing systems and portable CEMS
- HAPS and hydrocarbon CEMS (for HCl, Mercury, Hydrocarbons – Methane and Non-Methane, H2S, and Total Sulfur)
- CEMS for all major pollutants, including: NOx, SO2, CO, CO2, O2, Flow, Particulate, and Opacity
Excellent work!
Daniel Fefer
Contractor, Exelon
Michael is always very professional and knowledgeable.
I am always confident things will be resolved quickly with him.
Dave Patterson
Consulting Engineer (Air Quality Group), Ameren
ESC Spectrum has provided excellent engineering and procurement support.
Juan Cantu
Analyzer Specialist, ENglobal
Alex was very helpful in resolving the issues that I brought to him.
Kevin Bugay
Process Engineer, Cardinal Corporation
Even though we are only data logger users, the support staff has always been extremely nice,
very timely and completely knowledgeable on the topic at hand.
John Markely
Sr. Environmental Engineer, Kyger Creek
Very helpful, understood my issue and found the fix I needed.
Dane Ruberg
Instrument Technician, Xcel Energy
Scott is fantastic, very knowledgeable and very helpful!
Always know I am going to get the help I need when he answers the phone.
Celena Arreola
Environmental Engineer, El Paso Electric
Outstanding customer service!!!
Rick Gregory
IT Specialist/Network Admin, Calumet Specialty Partners
The customer service provided was quick and the agent sent additional information.
Ann Woods
Environmental Scientist, Agua Fria Generating Station
Excellent work!
Daniel Fefer
Contractor, Exelon
Michael is always very professional and knowledgeable.
I am always confident things will be resolved quickly with him.
Dave Patterson
Consulting Engineer (Air Quality Group), Ameren
From The Source Blog

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,

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.

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.