In an industry where regulatory precision meets operational urgency, flexibility and speed are everything. Whether you're responding to a system outage, gearing up for startup testing, or undergoing a site retrofit, Alliance's fleet of Temporary CEMS solutions deliver trusted air monitoring—right where and when you need it. June 24, 2025 Raising the Bar on Mobile Emissions Monitoring Advanced Temp CEMS Trailers for High-Stakes Compliance Temp CEMS mobile unit in the Alliance fleet. In an industry where regulatory precision meets operational urgency, flexibility and speed are everything. Whether you're responding to a system outage, gearing up for startup testing, or undergoing a site retrofit, Alliance's fleet of Temporary CEMS solutions deliver trusted air monitoring—right where and when you need it. Built for Today’s Environmental Demands These aren’t just temporary setups—they’re fully integrated mobile compliance platforms , engineered by environmental professionals who understand the stakes. While the Temp CEMS trailers are designed for rugged, mobile deployment, Alliance also offers cabinet-based systems for clients needing modular units that integrate with existing shelters or on-site enclosures. Both configurations are pre-calibrated, spec-compliant, and ready to monitor from day one—supported by Alliance’s leading experience in stack testing, CEMS operations, and regulatory consulting. Modular Cabinet CEMS Environics gas dilution system Zero air generation and pressure regulation board Flexotherm heavy duty gas conditioner Close-up of Ferotherm chillers and white dryer component Interior rack (Environics, ESC 8864, dual Alliance analyzers) Why It All Matters to Clients When your permit, uptime, or audit window is on the line, you need more than just "functioning equipment"-you need certified systems backed by proven expertise. Rapid Deployment - Operational in hours, not days Full EPA Compliance - Meets 40 CFR Part 60/75, MACT, and NESHAP requirements Risk Mitigation - Minimize drift, QA failures, or re-testing events Real-Time Assurance - Integrated DAHS and Alliance support means you're never in the dark Whether it's a long-term outage or a fast-tracked startup, our mobile trailers and modular cabinets ensure you're always covered. Applications: Critical Coverage When Compliance Can't Wait These solutions are designed for high-risk; high-urgency use cases where compliance, timing, and accuracy are non-negotiable: Planned Maintenance Shutdowns Avoid data gaps and maintain EPA reporting continuity. Startup & Commissioning Ensure emissions monitoring from the first day of operations. Emergency System Failures Deploy temporary trailers or cabinets quickly to restore compliance and protect permits. NSPS, MACT, or NESHAP Testing Support Bring in EPA-aligned temporary systems for third-party audits or scheduled tests. CEMS Upgrades or Retrofits Keep your monitoring seamless during infrastructure transitions. Disaster Recovery or Remote Site Support Alliance delivers mobile and modular systems where they're needed most-even in hard-to-reach or post-incident zones. Why Choose Alliance for Temp CEMS? Because you need a partner who delivers more than just equipment. Alliance's testing and monitoring services are trusted by industrial leaders across power, refining, pulp and paper, chemical manufacturing, and more. Our mobile trailer and cabinet solutions are backed by in-house CEMS experts, field service teams, and the same precision we bring to permanent installations. When you choose Alliance, you get equipment that's field-tested, compliance-certified, and ready when you are. And trusted advisors who are deeply experienced and dedicated to your success. Jett Rink Advanced Analytical Manager 20 Years Experience in the Environmental Field Steve DiMuzio Director of Sales, CEMS (CEM Service Line Sales Leader) Steve DiMuzio Director of Sales, CEMS (CEM Service Line Sales Leader) Talk to An Alliance CEMS Expert Today

Advanced fugitive emissions testing & LDAR management. Optical gas imaging, Method 21, SkyBridge software & mobile monitoring solutions from Alliance. Services / On-Site Testing & Monitoring / Fugitive Emissions Fugitive Emissions Testing Proprietary best-in-class leak detection management. Meeting comprehensive compliance requirements for fugitive emissions doesn’t need to be complicated. We promise better ways to manage all your leak detection needs. Get full service and support. Stress less with end-to-end Leak Detection and Repair Program Management for all your planning & scheduling, compliance services, testing & monitoring, analysis & reporting, equipment maintenance—and more. Let us solve your challenges. Lean on our experts. They take the time to get to know your operations and teams, and partner closely with you to deliver specific solutions that work for all your fugitive emissions requirements and environmental goals. Transform with technology. Adopt cloud-based leak-detection software with ultrasensitive, accurate methods to boost outcomes and efficiency. Real-time field data changes everything—with mobility, instant results, better decision-making, less hours and costs, and automated reporting. Services & Solutions Custom Fugitive Emissions Monitoring Programs We partner with clients to design and execute a fugitive emissions monitoring program that meets site-specific leak-detection requirements, while ensuring cost-effectiveness and compliance. LDAR Management: Method 21 and OGI | SkyBridge Software | Ambient Air Monitoring | Tracer Gas Testing | GMAP | Air Compliance Inventory and Tagging | BWON Program Management HRVOC Sampling | Appendix P Sampling (Cooling Tower Water) | Dedicated Compliance Services Consultants Leak Detection Program Management Streamline your fugitive emissions program from start to finish with comprehensive LDAR services from Alliance’s North American teams. Using ground-breaking tools, specialists ensure accurate and compliant monitoring including routine checks, data analytics, and reporting to reduce emissions and guide timely adjustments.d fugitive sources Optical Gas Imaging (OGI) Using advanced OGI cameras to perform real-time, accurate leak detection and monitoring, our proactive OGI strategy includes: Regular inspections Data analytics Detailed reports Reduced emissions Speedier repairs Improved operational safety Regulatory compliance SkyBridge Software Suite Skip the costs and challenges of managing on-premises servers, backups, and networks. SkyBridge software offers real-time data management and reporting for LDAR, OGI, FENCELINE MONITORING, and COOLING TOWERS. Our top-tier cloud setup ensures strong protection with products and services to future-proof your technology needs and keep data safe with world-class security. Easily check your field data anytime, anywhere—whether you’re on a PC, laptop, tablet, or phone. All you need is a web browser. SkyBridge Suite Details Tracer Gas Testing Leaks missed by other companies are detectable with Alliance’s advanced and most sensitive testing available. Using a non-toxic and non-flammable method, our team will find your equipment leaks before they become an operational liability. Tracer Gas Testing Details GMAP (Geospatial Measurement of Air Pollutants) On-Demand Mobile Monitoring From identifying unknown emission sources and enhancing existing programs to assisting with EPA inspections and responding rapidly during incidents—GMAP uses real-time technology to deliver live data that can be accessed while in the field, allowing for immediate compliance. Risk Reduction | Real-Time Air Monitoring | Detailed Snapshots | Customized Alliance GMAP mobile service was developed in collaboration with Ken Garing and Associates, LLC (KGA), and the Alliance GMAP mobile unit was built based on the US EPA’s Office of Research and Development (ORD) GMAP program. On-demand mobile air monitoring is ideal for fenceline and other areas where real-time monitoring can uncover hidden emissions sources. Ambient Air Monitoring Teaming with Alliance’s ambient air monitoring services provides a comprehensive, reliable solution for managing and improving your facility’s air quality. Alliance offers a wide range of ambient air services including: Air Quality Monitoring | Meteorological Networks | Odor Assessment Services | Noise Consulting & Acoustic Monitoring | Vapor Intrusion Programs Dedicated LDAR Compliance and Auditing Services Our team of environmental compliance consultants provide full-service LDAR compliance support spanning audits, QA/QC program oversight and reporting to ensure regulatory adherence. REQUEST INFORMATION “Combining our services is pivotal in supporting our clients' every need. The Alliance way is a true differentiator, providing solutions-based onsite testing and monitoring with top SMEs to handle immediate environmental challenges. Alliance is positioned as your partner of choice for highest-level delivery.” Martin Gibson Executive Vice President, Emissions Monitoring “Meticulous details, first-of-their-kind tools, and quality oversight of every LDAR program sets Alliance apart—always raising the bar for resource management, availability, and dedicated internal support.” Paul Phillips Senior Vice President, Emissions Monitoring Back to All Services