Services / On-Site Testing & Monitoring / Source Testing Source Testing Quantify emissions at the source. Accurate, defensible source testing data that’s measured, analyzed, and reported reliably every time. Our skilled professionals consistently and rapidly deliver that first-class quality service which translates directly into our high client retention and satisfaction rates. Resource-ready. A wide North American footprint and consistent investment in state-of-the-art equipment positions our dedicated teams of skilled specialists to respond efficiently to each client’s source testing needs. Trustworthy expertise. The multi-disciplinary expertise of our staff ensures our clients receive full-service guidance on regulatory compliance, industrial processes, source emissions testing, monitoring, and analysis. Actionable insights. Accurate, quality-controlled emissions data enables clients to make real time data-driven decisions—and our dedicated Technical Services team ensures test results are accurately reported to regulatory authorities. Services & Solutions Source Testing Stack | CEMS/Temp CEMS | Engine Testing | RNG Stack Testing Committed to your specific stack testing needs—Alliance’s combination of innovation, technology, and reliability is anchored by a seasoned team of scientists, QSTI-certified professionals, and tenured stack testing managers driving your projects to successful completion. Compliance Demonstration | Engineering/Investigative Test Programs | On-Site FTIR Spectroscopy | Specialty Testing | Low Level PM Sampling | Performance Specification Testing (RATA) Stack Service Details CEMS (Continuous Emissions Monitoring System Services) Reduce your downtime risk with CEMS tailored to your local needs and count on our extensive spare parts stock for fast service on your specific brand of equipment. Let our North American CEMS and dedicated Temp CEMS services be the cornerstone of your environmental compliance and operational success. Turnkey CEMS Integration | Temp CEMS | Installations | Commissioning | Training Equipment Upgrades | Maintenance | QA/QC Audits | RATA CEMS Service Details Engine Testing Boost efficiency and safety for your combustion source program with our expert advice and mobile solutions.  Our engine testing platform is designed to gauge performance in real-time, which helps you manage your operations and compliance status more efficiently. Flexible Scheduling & Mobility | Fast Response | Reduces Risks It’s a smart move to protect your operations from risks, extend the life of your engines, and get an edge in the market. RNG (Renewable Natural Gas Services) As the demand for renewable natural gas grows, so do the challenges associated with meeting the rigorous pipeline quality standards. These low-level requirements provide no room for sampling or analytical error. We have the expertise and advanced equipment to ensure accuracy, every time. Sampling | Analysis | Reporting | Compliance | Batch Pathway Testing | Product Transfer Documents | Third Party Audits | Investigative Consulting/Engineering Let Alliance’s experienced technicians simplify the sampling, analysis, and reporting procedures for you. Using advanced equipment and analytical capabilities, we manage every step of the RNG testing process. REQUEST INFORMATION “It’s our daily priority to put in the work to build a culture where Quality, Integrity and Consistency are the standard. Our clients benefit from that culture in the form of accurate, defensible test data provided by skilled professionals.” Ryan O’Dea Senior Vice President, Stack Testing 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

Services / On-Site Testing / Source Testing / CEMS CEMS Reduce your downtime risks with continuous monitoring. CEMS (Continuous Emissions Monitoring System) services are tailored to your compliance needs, and you can count on our extensive spare parts stock for fast service on your specific brand of equipment. Our CEMS areas of expertise cover a broad range of equipment types and industries. Alliance provides a comprehensive solution for emissions management, ensuring regulatory compliance, accurate monitoring, and timely maintenance. CEMS Service Offerings: Turnkey CEMS Integration | Temp CEMS | Installations | Commissioning | Training | Equipment Upgrades | Maintenance | QA/QC Audits | RATA Support Round-the-Clock Support: 24/7/365 support is always within reach. Fully Stocked Parts Inventory: The OEM brand name parts you need are on hand. Regulatory Assurance: Continuous monitoring and reporting to ensure compliance. Less Downtime: Reliable service and responsiveness optimize CEMS performance. Accurate Monitoring: Precise real-time emissions data for compliance and operations. Predictive Maintenance: Scheduled maintenance based on data trends to predict and prevent system failures. Cost Control: Regular maintenance controls repair costs and operational downtime. Knowledge Transfer: Expert training for environmental personnel, plant operators and technicians enhances system understanding and operation. Dedicated Temp CEMS Stay compliant, even during emergencies, with speedy service from our dedicated team of Temp CEMS experts and innovative mobile equipment. Minimize production downtime and maximize data collection with a customized Temp CEMS system, and expert technical and regulatory guidance. Assess the root cause of your existing system failure and design improved permanent systems with our CEMS specialists. Let our North American CEMS and dedicated Temp CEMS services be the cornerstone of your environmental and operational success. REQUEST INFORMATION “Our CEMS support hotline, deep bench of field service engineers, and large inventory of parts allows us to quickly respond to emergencies and solve issues efficiently.” Jason Miller Vice President, CEMS Read more about CEMS and Temporary CEMS services: Temp CEMS: Q&A With an Expert Alliance specialists are busier in the field than ever. We caught up with the group manager while he was on standby installing Temp CEMS ... CEMS: Your Key to Operational Success A well-maintained Continuous Emissions Monitoring System (CEMS) is a key component of operational efficiency. By ensuring that your CEMS ... Back to All Services

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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.

Optical Gas Imaging Game-Changer Real-Time Field Data Transforms OGI Operations  Alliance’s SkyBridge OGI Software is a cloud-based SaaS solution that makes the job of collecting, managing, and reporting real-time OGI field data lightspeed faster, effortlessly automated, and accessible anywhere with an internet signal. 10 Benefits of SkyBridge OGI Software Automate Reporting Generate accurate compliance reports including CEDRI effortlessly. Reduce Work Hours Collect and manage field-data instantly, freeing up countless hours. Minimize Overhead Handle site inspections, leaks, repairs, and re-inspections centrally. Manage Efficiently Empower operators to better oversee their teams and field performance. Improve Media Document everything clearly with improved in-app imaging and uploading. Increase Safety Safeguard technicians in the field with real-time location tracking. Synchronize Data Automatically create accuracy and availability on web and mobile. Reduce Costs Eliminate the need for paper logs, internal servers, data backups, and upgrades. Stay Informed Receive instant leak notifications, survey reminders, and more via email. Secure Data Store and protect all your data on Microsoft’s Azure network. SkyBridge OGI Software gives you better OGI control while removing your day-to-day system management challenges and skyrocketing productivity and time savings. OGI Testing and Monitoring Field Services Our Optical Gas Imaging (OGI) services are designed to detect and visualize gas leaks quickly and accurately with our state-of-the-art FLIR cameras. Paired with our SkyBridge OGI Software, we help you streamline the detection process, enhance efficiency, and ensure regulatory compliance. See Your Own Simulated Demo Get a confidential, customized demo of how SkyBridge OGI will transform your CEDRI reporting process and make every field data collection and management task lighting fast, secure, and accurate.