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. 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

Services / On-Site Testing / Source Testing / Stack Testing Stack Testing Expect the best from the largest stack testing provider in the U.S. Receive consistent, responsive service from skilled stack testing professionals. Expect best in class response for deliverable creation and clear accurate reporting to help you meet all of your compliance demonstration and performance requirements. Stack Testing Services Compliance Demonstration | Engineering/Investigative Test Programs | On-Site FTIR Spectroscopy | Specialty Testing | Low Level PM Sampling | Performance Specification Testing (RATA) Compliance Demonstration PM (filterable PM, condensable PM, PM-10, PM-2.5, OTM-37) Metals, including Hg Acid gases Combustion gases Volatile and Semi-Volatile Organics (total and speciated) Dioxins and Furans Formaldehyde Specialty Testing (PFAS, EtO, Combustors) Baghouses, Cyclones, and ESPs FGD and dry scrubbers SCR and NSCR Oxidizers (thermal, regenerative, and catalytic) Engineering/Investigative Test Programs Do you have a high priority compliance test on the calendar and want advanced assurance that your process and controls are performing adequately? Are you experiencing process-related challenges that accurate emissions data could help diagnose and solve? Our experienced testing professionals are well equipped to help you design a measurement program to address all the above safely and efficiently. And our fully integrated consultants are accessible for SME consultations. Performance Specification Testing (RATA) Alliance provides Part 60, Part 63, and Part 75 continuous emissions monitoring system (CEMS) evaluations and relative accuracy test audits (RATA) for all manner of CEMS configurations within all applicable industries. From routine gas and flow RATAs to highly complex GC, PM and Mercury RATAs, we have you covered. Specialty Testing One of Alliance’s key stack testing differentiators is our ability to plan and execute testing solutions for the most complex emissions targets and scenarios. Dilution Based Sampling for Particulate Matter (OTM-37) PFAS Sampling (OTM-45 & OTM-50) Diluted CEMS Sampling for High Moisture or Highly Concentrated Sampling Locations Direct Interface Gas Chromatography for Speciated VOC and Sulfur Compounds OOOOb Combustor Compliance Testing (OTM-52) Hazardous Waste Combustion CPT Programs Low Level PM Sampling When facing the rapidly decreasing compliance thresholds for PM, PM-10, and PM-2.5, you need a highly experienced testing partner to create a testing plan to mitigate the many challenges associated with accurately quantifying very low levels of particulate matter. When every grain of PM matters, Alliance ensures accuracy with advanced equipment, a fully developed internal laboratory network, and nuanced quality control procedures. On-Site FTIR Spectroscopy Whether demonstrating compliance with a very low-level pollutant standard (formaldehyde, ethylene oxide, HCl) or addressing complex process gas stream challenges, Alliance has the advanced instrumentation and a deep bench of FTIR spectroscopists to help navigate the complexity inherent to this sampling approach. REQUEST INFORMATION “People like what they do at Alliance. I think they understand it's a very important role. That pride tells our clients they’ve made the right choice.” Snapper Armstrong Vice President, Stack Testing VIEW OUR ACCREDITATIONS View Accreditations Learn more about Source Testing. A History of Loyalty and Service: What makes a dedicated Stack Team. Loyalty isn’t just a word; it’s a practice. Marking his 20-year anniversary at Alliance, Snapper Armstrong, Vice President of Sales for ... Harnessing Renewable Natural Gas: A Sustainable Path to Climate Goals and Methane Reduction Reducing methane emissions has become a critical focus in the fight against climate change. Methane, a greenhouse gas, has over 25 times ... Saluting Earth Month Heroes: The Secondary Aluminum Industry During Earth Month, Allianc Technical Group honors our industry partners dedicated to environmentally responsible practices that generate... Back to All Services

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DECATUR, Alabama, Jan. 13, 2025 – Alliance Technical Group LLC, a leader in environmental compliance, on-site testing and monitoring, and laboratory testing and analysis, continues its strategic expansion as it announces the acquisitions of DeNovo Global Technologies, Inc 's air testing division, Gas Ops Leak Detectives, LLC (GOLD) and a merger with Ranger Analytics Inc. DeNovo is a Texas-based company that specializes in advanced environmental monitoring solutions and offers state-of-the-art technologies for accurate data collection and analysis. GOLD is renowned for its expertise in leak detection and repair (LDAR) services, including extensive optical gas imaging (OGI) capabilities, and for providing quality and affordable compliance solutions to clients in the oil and gas industry. GOLD is a Colorado-based company that currently services nine states spanning from the Rocky Mountains to the Southern Plains, adding to the geographical depth of Alliance's services. Ranger Analytics is a full-service, Texas-based analyzer and gas detection systems company, serving industrial, air-quality, and maritime markets with mobile emissions, continuous emissions monitoring systems (CEMS), and gas detection services. "Adding these companies to the Alliance family builds on our 25 years of environmental leadership," said Chris LeMay, CEO of Alliance Technical Group. "Each brings unique expertise that complements our current service offerings and expands our reach to new markets. These additions continue Alliance's rapid growth trajectory while maintaining the best-in-class response and quality standards we've established over the past quarter century.”

As awareness rises about per- and polyfluoroalkyl substances ( PFAS ) entering into our ecosystem, so does the urgency for accurate, dependable detection. Associated with certain cancers, endocrine disruption, fertility issues, birth defects, and organ damage, PFAS poses significant public health risks. The EPA is taking action  with several new initiatives, including the “First-Ever National Drinking Water Standard for PFAS” issued in April 2024, plus other rules for PFAS limits for non-potable water, air, soil, and waste management sources.  PFAS Experts at Work  See how Alliance’s environmental laboratory specialists conduct accurate PFAS analyses. Comprehensive PFAS Testing Services for: Applied Technologies Our labs utilize advanced liquid chromatography triple quadrupole mass spectrometry systems (LC/MS/MS) for PFAS analysis. This preferred technology offers unparalleled selectivity and sensitivity, enabling us to handle extremely low detection rates with ease. Robust Quality Control A 3-tiered data review process ensures all testing method criteria are met, giving you confidence in your results: Top analysts carefully examine the data. Data is sent to our QC department for thorough evaluation. Dedicated project managers review the final results. Full-Service for Client-Specific Needs All PFAS analytical steps are handled for you in Alliance labs, including method development, extraction, analysis, and data upload. Highly skilled experts work with you to customize solutions based on your state’s regulatory requirements. We’re at the forefront of PFAS analysis with the most modern methods at the lowest detection limits. Reach out to discuss your PFAS testing needs or consult with one of our experts regarding your PFAS compliance requirements. Contact Alliance > Discover All  That Is Alliance  As your strategic partner in environmental testing, monitoring, and analysis, we have a full suite of technical and compliance services for all your environmental needs.  Analytical & Environmental Lab Services | Stack Testing | Temp CEMS | CEMS | LDAR | Ambient Air | Engine Testing & Emissions Solutions | Software & Technology | Environmental Consulting Services: Air & Water Quality, Natural Resource Management Contact Alliance for end-to-end solutions that support your compliance and operational excellence. info@alliancetg.com  | (256) 351-0121

Decatur, AL – November 8, 2024 – Alliance Technical Group, the premier leader in environmental compliance, on-site testing and monitoring, and laboratory testing and analysis, announces the acquisition of CEMServices, Inc. Since 1992, CEMServices, Inc., located in Norton, Massachusetts, has provided consistent, reliable stack testing and continuous emissions monitoring systems (CEMS) services across New England and the Mid-Atlantic. With a strong client base across nine states and over 30 years of delivering exceptional value, CEMServices is known for its experienced team and deep regional expertise. “We are very excited to join Alliance Technical Group,” said Chris Cutting, Founder and President of CEMServices. “The resources and technical expertise at Alliance will allow us to support our clients with improved responsiveness, new technologies, and an expanded service offering. Our clients can now benefit from Alliance's advanced solutions and commitment to excellence.” The acquisition of CEMServices not only strengthens Alliance’s geographical footprint in the Northeast and Mid-Atlantic regions but also adds 20 experienced professionals to Alliance’s team. This addition enhances our temporary CEMS offerings and strengthens multiple service lines, including stack testing, CEMS maintenance, and CEMS auditing. This acquisition marks Alliance’s sixth in 2024 and underscores our commitment to providing unparalleled service and technical expertise across the United States. “The acquisition of CEMServices deepens our client base and grows our on-site testing and monitoring team in two strategic growth regions,” said Chris LeMay, CEO of Alliance Technical Group. “We are excited to integrate technical professionals with extensive knowledge into our industry-leading teams, further enabling us to meet the evolving needs of our clients.” About Alliance Technical Group: Alliance Technical Group, LLC (Alliance), headquartered in Decatur, AL, is the premier environmental services and solutions company dedicated to helping clients achieve their environmental goals and navigate regulatory changes. With more than 1,700 employees located in 50-plus offices across the U.S. and Canada, Alliance specializes in Environmental Compliance, On-site Testing and Monitoring, and Laboratory Testing and Analysis. Driven by innovation, committed to service, and focused on client success, Alliance delivers on the promise of reliability, results, and responsiveness. Learn more about how we help clients maximize their environmental opportunities at www.alliancetg.com.