Ambient Air Monitoring Clean Air, Complete Compliance Go beyond traditional monitoring with precise, real-time air quality insights that are aligned with Provincial and Federal Regulations. END-TO-END SUPPORT From network design to equipment installation and operation, you can focus on your core business operations while we handle your system needs. COST-EFFICIENT MONITORING Our monitoring solutions deliver superior data quality, world-class service, and expert regulatory support effective to ensure performance in the most extreme conditions. PRIORITIZE HEALTH & SAFETY Stay informed about changing conditions in real-time to ensure the well-being of your employees, keeping health and safety at the forefront. Ambient Air Services Air Quality Monitoring | Meteorological Networks | Odour Assessments | Noise Consulting | Vapor Intrusion Programs Breathe Easy With Comprehensive Air Quality Monitoring Services Monitoring air quality is crucial for a clean environment. Our expert-driven national network offers a wide range of air quality services, ensuring both facility-specific and Canadian national standards are met. With us, you get thorough ambient monitoring, giving you peace of mind. Our responsibilities do not end with installation. We handle ongoing maintenance, calibrations, and third-part accuracy checks for impartial system verifications. With audits and evaluations, we can ensure systems are running properly and data is quality assured, no matter what province or territory you are in. Ambient Air Monitoring is pivotal for measuring outdoor air pollution levels, crucial for regulatory compliance, public health, and informed decision-making. With our deep expertise and broad services, Alliance has strong experience keeping facilities and projects compliant with provincial and federal air quality standards while also managing other critical aspects of you monitoring program like network design, equipment specification, regulatory support, quality assurance plans, and robust data reporting. Products and Services Ambient Air Quality Monitoring Stations Our ambient air quality monitoring programs measure Criteria Air Contaminants (CACs) in alignment with provincial and federal regulatory requirements. Typical parameters include nitrogen dioxide (NOx), sulphur dioxide (SO2), carbon monoxide (CO), ozone (O3), particulate matter (PM2.5), and site-specific contaminants of concern. Monitoring networks are designed to support compliance verification, community impact assessments, and long-term air quality trend analysis. Meteorological Monitoring Meteorological data is a critical component of ambient air monitoring and dispersion modelling. Our meteorological stations measure wind speed, wind direction, temperature, barometric pressure, relative humidity, and atmospheric stability. Data is collected and validated in accordance with Environment and Climate Change Canada best practices. Fenceline & GC Monitoring Advanced gas chromatograph (GC) analyzers provide speciated volatile organic compound (VOC) data for industrial and fenceline monitoring applications. GC and fenceline systems support provincial and federal industrial compliance programs, leak detection initiatives, and proactive community air quality management. These systems are commonly applied at petrochemical, manufacturing, and waste management facilities. Quality Assurance, Reporting & Ongoing Support Alliance provides full lifecycle support including network design, equipment installation, commissioning, calibration, maintenance, and third-party accuracy assessments. Data is quality assured and reported in formats aligned with provincial and federal reporting expectations. Monitoring results may also be shared with community stakeholders to support transparency and trust. Service Benefits Enjoy peace of mind thanks to our comprehensive Ambient Air Quality Monitoring services, ensuring compliance and clean air. Services extends to site equipment installation, network commissioning, ongoing operation, maintenance, and third party accuracy assessments. Collected data is diligently reported to both clients and regulatory agencies in the required format. Regulatory Compliance Ensuring compliance with local, provincial, and federal air quality regulations is pivotal for your operations. Ambient Air Monitoring helps you adhere to these regulatory mandates by providing precise measurements of air pollutants, averting potential legal complications and fines. Public Health Protection By monitoring and reporting the levels of harmful pollutants, these services also play a crucial role in protecting public health. The data obtained helps in identifying sources of community complaints, providing an expedient and transparent response, along with understanding and mitigating the adverse effects of air pollution in your community. Emission Control Strategies Monitoring ambient air quality provides essential data that aids in developing and implementing effective emission control strategies. By analyzing the trends and sources of emissions, industries and regulatory bodies can devise targeted interventions to reduce air pollution. Timely Data Provision Providing real-time or near real-time data on air quality to the public is essential for building trust and awareness. These services enable rapid and accurate dissemination of air quality information, which can also help build trust and greater engagement for your business. REQUEST INFORMATION “From field maintenance to final reporting, our team is committed to precision, transparency, and keeping communities healthy, safe, and informed.” Marcel van Heijst Ambient Air Quality Manager Sarnia, ON VIEW OUR ACCREDITATIONS Back to All Services Services / On-Site Testing / Fugitive Emissions / Ambient Air Monitoring

2200+ Dedicated Employees 60+ Locations in the US and Canada 140+ Mobile Laboratories Our Journey Founded in 2000 in Alabama as a small stack testing company, Alliance has since expanded into a full-service environmental compliance provider and a recognized leader in the North American market. A lot has changed for us since then, but one thing never will—we still put our clients first. EMPLOYEES 2000–2012 BUILDING THE BUSINESS 2012–2016 GROWTH THROUGH INVESTMENT 2016–2021 RAPID GROWTH & SERVICE LINE EXPANSION 2021–TODAY SCALING A NATIONAL/GLOBAL PLATFORM 2000 2 2005 10 2010 20 2015 50 2018 125 2020 675 2021 820 2022 945 2023 1,430 2024 1,720 2025 2,205 Stack Testing Lab Testing LDAR Ambient Air Consulting CEMS Software We are a new kind of environmental services company—powered by innovation, focused on service, and committed to your success. Acquisitions Since 2017, we have worked to increase our reach and improve our services through investments in our people, technology, and with acquisitions of these core businesses. Expand to see acquired companies 2025-2026 Protocol2 Air Sciences Inc. Element One Labs Mid Continent Testing Labs Earth Analytical Sciences Global Analyzer Systems ESC Spectrum Environmental 360 Slipstream Environmental Services 2023-2024 DeNovo Global Technologies Ranger Analytics (Merger) GOLD, LLC CEMServices Rogers & Callcott Advanced Industrial Resources CEMSI Integrity Air Monitoring RSB Environmental Ortech Consulting Chemtech Consulting Group CEC Stack Test Group Summit Env. Tech Orange Coast Analytical Fremont Analytical Chester LabNet 2021-2022 GBMc & Associates EcoTest GuideWare CK Environmental InspectionLogic Pace Environmental CEM Solutions Interpoll Ace Consultants AAS Horizon Air Measurement Services Air Quality Services O’Brien & Gere EMSI Aeros Environmental 2017-2020 Almega Environmental and Technical Blue Mountain Summit Inspection Services METCO Environmental Air Pollution Testing Golden Specialty Our Reach With over 60 testing and laboratory locations across the United States and Canada, we are where you need us. Leadership Our team stands behind everything we do and commits to helping you succeed. From our frontline engineers and technical experts to our senior leaders, we are here for you. FROM LEFT: Chris LeMay, Jim Herr, Kim Van Soelen, Premal Vora Chris LeMay Chief Executive Officer Kim Van Soelen Chief Commercial Officer Jim Herr Chief Administrative Officer Premal Vora Chief Strategy Officer About Creating new possibilities and outcomes for our clients. Since 2000, we have been solving the problems of environmental management and compliance for some of the foremost companies and brands in North America. From on-site testing and monitoring, to laboratory testing and regulatory strategy, we are pushing out the limits of what is possible. We help our clients achieve their business objectives while also supporting their sustainability goals. OUR SERVICES

2025 Air Reporting Deadlines The Better Way to Navigate Compliance Reporting deadlines are approaching fast—be proactive with expert help. Environmental compliance is more than just remembering a date—we know the process can be complicated. That’s why Alliance takes a proactive approach. Staying ahead gives us the flexibility to handle unexpected adjustments and ensure you meet your goals—on time. From deadline reminders to consulting expertise and even reporting, our experienced environmental consultants and compliance professionals help you every step of the way. Take the complexity, uncertainty, and hassle out of regulatory standards. Contact us to help you navigate compliance with confidence. Content h3 Click a State From the Map Below to View Air Reporting Deadlines Disclaimer: Alliance Technical Group shall not be held liable for any reliance on this content. It is the responsibility of the user to confirm compliance with all applicable regulations.

Decatur, AL and Edmonton, AB — 3/09/26 Alliance Technical Group , a leading provider of environmental testing, monitoring, and compliance services, announced today the acquisition of Protocol2 Air Sciences Inc. , a Canadian environmental consulting firm specializing in industrial source emission testing and air quality services. Founded in 2003 and headquartered in Edmonton, Alberta, Protocol2 Air Sciences is a Canadian firm known for its expertise in industrial air emissions testing and environmental consulting. Over the past two decades, the company has completed more than 3,000 projects supporting industrial facilities with stack emissions testing, air monitoring, and regulatory compliance assessments. Protocol2’s experienced professionals provide services across a diverse range of sectors including oil and gas, power generation, pulp and paper, mining, hazardous waste management, and other industrial operations. “Protocol2 Air Sciences has established itself as a trusted provider of air emissions testing services with deep technical knowledge and strong client relationships,” said Chris LeMay, CEO of Alliance Technical Group. “Their expertise and experience across a wide range of industrial sectors enhance our ability to support clients with reliable testing, regulatory insight, and the high-quality environmental solutions they expect from Alliance.” Protocol2 has earned long-term client relationships by delivering accurate emissions data and practical technical insight that helps facilities navigate evolving regulatory requirements. In addition to compliance testing, the company supports clients with process optimization evaluations, pollution control system performance assessments, and air monitoring programs. Its teams utilize advanced instrumentation and proven testing methodologies to ensure defensible results and consistent service quality. With the addition of Protocol2, Alliance further expands its technical capabilities in source emissions testing while strengthening its footprint within the Canadian environmental services market. The integration of Protocol2’s experienced field teams with Alliance’s broader environmental services network will provide clients with expanded resources, technical depth, and broader geographic coverage. “Joining Alliance provides an exciting opportunity to continue delivering the high standards of service our clients rely on while gaining access to additional resources and technical expertise,” said Kevin Smith, President of Protocol2 Air Sciences Inc. “We look forward to working together to provide expanded environmental testing solutions and support for clients across Canada and beyond.” This acquisition underscores Alliance’s continued growth strategy to expand its environmental testing and compliance services while strengthening its presence throughout North America. The Exit Group supported Alliance Technical Group in sourcing and executing the transaction.

Renewable Natural Gas (RNG) production is a sustainable way to address methane and other toxic emissions reductions—while recycling waste. Facilities that embrace RNG production are profiting by turning waste into fuel for energy and other revenue streams, all while reducing methane emissions. Recent news focuses on the rise in demand and funding incentives that bring new opportunities for food waste RNG production facilities. On June 12, 2024, the U.S. government announced the “National Strategy for Reducing Food Loss and Waste and Recycling Organics,” which includes nearly $200 million in funding from the Bipartisan Infrastructure Law, supported by the EPA, USDA, and FDA. Along with recycling and composting, this funding supports food waste anaerobic digestion—a key component of RNG production. The increase in funding for the RNG industry is an opportunity to develop production facilities that can help meet these new strategy goals. Significant Methane Capture Potential Food waste RNG remains an underutilized revenue source in North America despite its success in Europe. Food waste decomposition in landfills is a major methane emitter, contributing up to 58% of landfill methane emissions. By diverting food waste to anaerobic digesters, methane can be captured earlier in the decomposition process, enhancing RNG production and reducing emissions by converting waste into RNG and nutrient-rich digestate (which doubles as fertilizer), these digesters support sustainable energy transitions, prevent net increases in atmospheric CO2, and bolster local economies by creating jobs and generating additional revenue. Complex Testing and Compliance Requirements As the RNG production sector continues to grow, navigating a complex regulatory environment with precision remains critical for RNG production facilities to demonstrate compliance and optimize uptime by engaging with experienced environmental services and testing professionals, RNG producers can ensure that their projects will meet applicable environmental regulations and permitting requirements prior to construction, as well as the facility’s ongoing compliance, reporting, sampling, and testing requirements once in operation. Conclusion Government initiatives and funding are driving the development of food waste RNG facilities. Leveraging food waste for RNG will generate additional economic opportunities while progressing the current Administration’s environmental goals. As North America catches up with Europe in this field, the untapped potential of food waste RNG is poised to become a significant contributor to both environmental and economic objectives. About the Author Contact Alliance Technical Group for expert support in compliance and operational efficiency—designed to simplify RNG challenges and deliver timely and precise results.

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. Testing for PFAS—the Forever Chemicals 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: 1. Top analysts carefully examine the data. 2. Data is sent to our QC department for thorough evaluation. 3. 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. 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