Delivering every environmental compliance service and solution your company needs. Let's get started. Discover our integrated line of services designed to meet all the environmental compliance needs and challenges your company faces. How can we make your compliance journey better? ENVIRONMENTAL COMPLIANCE Expert guidance to extend your people and possibilities. Minimize risk and maximize results with the clarity, insight, and deep domain knowledge needed to make informed decisions. Alliance consultants and compliance professionals are committed, responsive experts at uncovering innovative solutions to your challenges. Environmental Consulting Air, Water, and Natural Resources Compliance Services Audits, Reporting, and Health/Safety Assessment & Remediation Due Diligence, Engineering, and Remediation On-site Testing & Monitoring Testing and monitoring tailored to your needs. Your testing and monitoring results are critical. Our dedicated teams, advanced methods, and full-service collaboration ensures your success. We perform with precision, causing minimal operational downtime, if any. Source Testing Stack Testing, CEMS, and RNG Fugitive Emissions LDAR, Ambient Air, and SkyBridge Software Laboratory Testing & Analysis A national lab network that puts the focus on you. Receive fast results and client focus of a local lab, with the capabilities and reach of an advanced national lab network. If your current lab provider doesn’t meet all your testing needs and timelines, or fails to offer actionable and effective results, turn to Alliance labs. Environmental Lab Services Water, Waste, and PFAS Oil & Gas Lab Services Upstream, Midstream, and Downstream

HON RTR Amendment Years of Details. Clear Road to Compliance. The final EPA Risk and Technology Review (RTR) amendments for Hazardous Organic NESHAP (HON) became effective on July 15, 2024. It’s important to know what, when and how to plan for your course of action. Keep this page handy to quickly find critical compliance dates, requirements, and advice as you begin your implementation programs. Affected Source Types Content h3 What’s Changing? When’s Your Compliance Deadline? For every affected source—it’s wise to act early so you’ll have the foresight to understand where moderations and capital costs may be needed, and how to strategize the scheduling. Expand the tiles for key HON RTR facts at a glance. Our experts will soon be updating their areas with tips and advice. For immediate questions, contact our HON team for answers. Fenceline Monitoring Will you need fenceline monitoring? New fenceline monitoring requirements for affected sources that use, produce, store, or emit: benzene 1,3-butadiene ethylene dichloride vinyl chloride ethylene oxide (EtO) chloroprene Compliance Due: For Existing Sources: July 15, 2026 or July 15, 2027 Depending on the requirement. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Flares New enhanced flare control device provisions. Incorporation of new operating and monitoring requirements for flare control devices. Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup, or by July 15, 2024 , whichever is later. Process Vents Removal of the TRE Index, and more. Updated definition of Group 1 Process Vent, including removal of TRE as the basis for determination Enhanced requirements for process vents in EtO service New maintenance venting provisions New D/F standard for halogenated Group 1 Process Vents Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Equipment Leaks Plan ahead for revised equipment leak provisions. Enhanced requirements for equipment in ethylene oxide (EtO) service New work practice standards for atmospheric PRDs Updated requirements for surge control vessels and bottoms receivers Compliance Due: For Existing Sources: July 15, 2026 EtO driven compliance amendments. July 15, 2027 All other amendments. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Together. Proactively. At Alliance Technical Group, our consultants and other subject matter experts review regulations that affect our clients. They are dedicated to knowing your industry needs and delivering tailored, best-in-class solutions. We encourage you to get familiar with the most recent HON amendments here. Heat Exchange Systems Changes to methods and requirements. Incorporation of the Modified El Paso Method Enhanced requirements for heat exchange systems in EtO service Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Storage Vessels Updates and new requirements. Updated definition of Group 1 Storage Vessel New requirements for internal floating roof tanks Enhanced requirements for storage vessels in EtO service New degassing requirements for Group 1 Storage Vessels Removal of pressure vessel exemption from the definition of storage vessel New monitoring requirements for pressure vessels Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Wastewater Streams Wastewater streams impacted by EPA's risk review too. Incorporation of enhanced requirements for wastewater streams in EtO service. Compliance Due: For Existing Sources: July 15, 2026 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Transfer Racks Does the pressure exemption update impact you? Transfer operations that load “at an operating pressure greater than 204.9 kilopascals” are no longer exempted from the definition of transfer operation. Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Meet the Expert Jill Martin, Project Director, Environmental Consulting Jill’s extensive experience with the Chemical Manufacturing Sector, including her expertise with HON, makes her your trusted partner. Compliance Program Implementation Support | Gap Analyses | Technical Support Jill’s Proficiencies: Air Compliance Initial Compliance and Other Applicability Determinations (Chemical Manufacturing Sector NSPS and NESHAP regulations & Petroleum Refinery Sector NSPS and NESHAP regulations) Comprehensive Compliance Program Development (Above ground Storage Tanks, RICE, CEMS, Flares) Reporting Greenhouse Gas Mandatory Reporting Requirements Emissions Inventory Toxic Release Inventory Title V Compliance Reporting Consent Decree Compliance Reporting Periodic NSPS Compliance Reporting Periodic MACT Compliance Reporting Air Permitting Title V Permitting Miscellaneous Permitting Actions Public Notice Coordination Miscellaneous RCRA Permitting and Compliance Stack Test Observation Ambient Air Monitoring Wastewater Streams Wastewater streams impacted by EPA's risk review too. Incorporation of enhanced requirements for wastewater streams in EtO service. Compliance Due: For Existing Sources: July 15, 2026 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Transfer Racks Does the pressure exemption update impact you? Transfer operations that load “at an operating pressure greater than 204.9 kilopascals” are no longer exempted from the definition of transfer operation. Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Heat Exchange Systems Changes to methods and requirements. Incorporation of the Modified El Paso Method Enhanced requirements for heat exchange systems in EtO service Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Storage Vessels Updates and new requirements. Updated definition of Group 1 Storage Vessel New requirements for internal floating roof tanks Enhanced requirements for storage vessels in EtO service New degassing requirements for Group 1 Storage Vessels Removal of pressure vessel exemption from the definition of storage vessel New monitoring requirements for pressure vessels Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Partners in Proactive Implementation Quelling Concerns. Answering Questions. With so many details to know about HON RTR amendments, is your path to compliance clear for you? What’s the impact going to be, and how do you get started? Tap into Jill’s expertise and Alliance resources for your solutions. Between Jill and our other subject matter experts at Alliance, clients receive the most premium end-to-end environmental services from expert consulting services to testing, monitoring, and laboratory services available. Get reliable and prompt solutions for whatever regulatory challenges you may have. It’s the better way to ensure compliance. Get Help With Hon Process Vents Removal of the TRE Index, and more. Updated definition of Group 1 Process Vent, including removal of TRE as the basis for determination Enhanced requirements for process vents in EtO service New maintenance venting provisions New D/F standard for halogenated Group 1 Process Vents Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Equipment Leaks Plan ahead for revised equipment leak provisions. Enhanced requirements for equipment in ethylene oxide (EtO) service New work practice standards for atmospheric PRDs Updated requirements for surge control vessels and bottoms receivers Compliance Due: For Existing Sources: July 15, 2026 EtO driven compliance amendments. July 15, 2027 All other amendments. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Fenceline Monitoring Will you need fenceline monitoring? New fenceline monitoring requirements for affected sources that use, produce, store, or emit: benzene 1,3-butadiene ethylene dichloride vinyl chloride ethylene oxide (EtO) chloroprene Compliance Due: For Existing Sources: July 15, 2026 or July 15, 2027 Depending on the requirement. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Flares New enhanced flare control device provisions. Incorporation of new operating and monitoring requirements for flare control devices. Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup, or by July 15, 2024 , whichever is later. Fenceline Monitoring Will you need fenceline monitoring? New fenceline monitoring requirements for affected sources that use, produce, store, or emit: benzene 1,3-butadiene ethylene dichloride vinyl chloride ethylene oxide (EtO) chloroprene Compliance Due: For Existing Sources: July 15, 2026 or July 15, 2027 Depending on the requirement. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Flares New enhanced flare control device provisions. Incorporation of new operating and monitoring requirements for flare control devices. Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup, or by July 15, 2024 , whichever is later. Process Vents Removal of the TRE Index, and more. Updated definition of Group 1 Process Vent, including removal of TRE as the basis for determination Enhanced requirements for process vents in EtO service New maintenance venting provisions New D/F standard for halogenated Group 1 Process Vents Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Equipment Leaks Plan ahead for revised equipment leak provisions. Enhanced requirements for equipment in ethylene oxide (EtO) service New work practice standards for atmospheric PRDs Updated requirements for surge control vessels and bottoms receivers Compliance Due: For Existing Sources: July 15, 2026 EtO driven compliance amendments. July 15, 2027 All other amendments. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Process Vents Removal of the TRE Index, and more. Updated definition of Group 1 Process Vent, including removal of TRE as the basis for determination Enhanced requirements for process vents in EtO service New maintenance venting provisions New D/F standard for halogenated Group 1 Process Vents Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Equipment Leaks Plan ahead for revised equipment leak provisions. Enhanced requirements for equipment in ethylene oxide (EtO) service New work practice standards for atmospheric PRDs Updated requirements for surge control vessels and bottoms receivers Compliance Due: For Existing Sources: July 15, 2026 EtO driven compliance amendments. July 15, 2027 All other amendments. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Fenceline Monitoring Will you need fenceline monitoring? New fenceline monitoring requirements for affected sources that use, produce, store, or emit: benzene 1,3-butadiene ethylene dichloride vinyl chloride ethylene oxide (EtO) chloroprene Compliance Due: For Existing Sources: July 15, 2026 or July 15, 2027 Depending on the requirement. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Flares New enhanced flare control device provisions. Incorporation of new operating and monitoring requirements for flare control devices. Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup, or by July 15, 2024 , whichever is later. Process Vents Removal of the TRE Index, and more. Updated definition of Group 1 Process Vent, including removal of TRE as the basis for determination Enhanced requirements for process vents in EtO service New maintenance venting provisions New D/F standard for halogenated Group 1 Process Vents Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Equipment Leaks Plan ahead for revised equipment leak provisions. Enhanced requirements for equipment in ethylene oxide (EtO) service New work practice standards for atmospheric PRDs Updated requirements for surge control vessels and bottoms receivers Compliance Due: For Existing Sources: July 15, 2026 EtO driven compliance amendments. July 15, 2027 All other amendments. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Fenceline Monitoring Will you need fenceline monitoring? New fenceline monitoring requirements for affected sources that use, produce, store, or emit: benzene 1,3-butadiene ethylene dichloride vinyl chloride ethylene oxide (EtO) chloroprene Compliance Due: For Existing Sources: July 15, 2026 or July 15, 2027 Depending on the requirement. For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Flares New enhanced flare control device provisions. Incorporation of new operating and monitoring requirements for flare control devices. Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup, or by July 15, 2024 , whichever is later. Heat Exchange Systems Changes to methods and requirements. Incorporation of the Modified El Paso Method Enhanced requirements for heat exchange systems in EtO service Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Storage Vessels Updates and new requirements. Updated definition of Group 1 Storage Vessel New requirements for internal floating roof tanks Enhanced requirements for storage vessels in EtO service New degassing requirements for Group 1 Storage Vessels Removal of pressure vessel exemption from the definition of storage vessel New monitoring requirements for pressure vessels Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Wastewater Streams Wastewater streams impacted by EPA's risk review too. Incorporation of enhanced requirements for wastewater streams in EtO service. Compliance Due: For Existing Sources: July 15, 2026 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Transfer Racks Does the pressure exemption update impact you? Transfer operations that load “at an operating pressure greater than 204.9 kilopascals” are no longer exempted from the definition of transfer operation. Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Wastewater Streams Wastewater streams impacted by EPA's risk review too. Incorporation of enhanced requirements for wastewater streams in EtO service. Compliance Due: For Existing Sources: July 15, 2026 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Transfer Racks Does the pressure exemption update impact you? Transfer operations that load “at an operating pressure greater than 204.9 kilopascals” are no longer exempted from the definition of transfer operation. Compliance Date(s): For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Heat Exchange Systems Changes to methods and requirements. Incorporation of the Modified El Paso Method Enhanced requirements for heat exchange systems in EtO service Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later. Storage Vessels Updates and new requirements. Updated definition of Group 1 Storage Vessel New requirements for internal floating roof tanks Enhanced requirements for storage vessels in EtO service New degassing requirements for Group 1 Storage Vessels Removal of pressure vessel exemption from the definition of storage vessel New monitoring requirements for pressure vessels Compliance Due: For Existing Sources: July 15, 2027 For New Sources: Upon initial startup or on July 15, 2024 , whichever is later.

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 / Lab Testing & Analysis / Oil & Gas Oil & Gas Fast and flexible oil and gas testing and analysis. Providing comprehensive sampling and analysis services across all stages of energy extraction, transportation, and product delivery. From field collection to specialized laboratory testing, we ensure on-time and reliable results. Trust our solutions. Our experienced team conducts both on-site analysis and detailed in-house laboratory testing, offering tailored solutions for your specific needs. Test any material. Our capabilities include natural gas and biogas, landfill gas and refinery gases, pressurized crude oil, sales oil, produced water, and more. Meet all requirements. We offer field services to collect complex permit-required samples, site-specific emission factors, product validation samples, custody transfers, and many other applications. Services & Solutions Accurate Custody Transfers Precise analysis during pipeline custody transfers enhances transfer value and secures accurate and reliable data that fortifies transactional trust. Capabilities Full-lifecycle Sampling & Analyses Greenhouse Gas Analysis Renewable Natural Gas & Biogas Natural Gas Refinery Gases Pressurized NGL (Y-Grade, E-P Mix) Pressurized Condensate Pressurized Crude Oil Pressurized Produced Water Sales Oil Extended Gas Extended Liquid Flash Liberation Field Services Permit-Required Sample Collection Product Validation Sample Collection External Lab Access for Specialized Analyses REQUEST INFORMATION “Our standard turnaround time in the lab for most Oil & Gas analysis is less than 6 days, compared to an industry average of 15 days.” Jordan Laster Senior Vice President, Laboratory & Analytical Back to All Services

Reach out to us for your testing, monitoring, and lab needs. Experience a better way with Alliance. Request more information below or use the locations map to contact one of our offices directly. Our Reach With over 50 testing and laboratory locations across the United States and Canada, we are where you need us. Contact us

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

Services / Environmental Compliance / Environmental Consulting Environmental Consulting Answers you want for insights you need. A trusted authority on refining, chemical manufacturing, and oil & gas industries, Alliance partners with you to provide professional guidance, specialized services, and precision-driven solutions in air, water, and natural resources. With proficient and efficient environmental consultants on your team, you can be confident in accuracy, consistency, and responsiveness. Security of one source. Working with one proven, capable partner helps simplify processes, reduce risks, and build stronger business relationships with greater strategic value. Compliance peace of mind. With active roles in various trade groups, our consultants assure your regulatory compliance with comprehensive plans and step-by-step support. Short response times guaranteed. It’s never a good time for an incident, but our rapid-deployment teams get clients back on track fast, with mitigation strategies to minimize costs and protect reputations. Services & Solutions Environmental Consulting Air Quality | Water Quality | Natural Resources | Engineering Specialists in designing and building environmental programs that work, our consultants help you identify, understand, and address potential areas of environmental vulnerability and risk. Air Quality Services Air Permitting Collaborating with environmental, operational, and project teams, we deliver permit applications that effectively minimize compliance risks. We also work with local, state, and federal agencies to secure permits swiftly. Air Compliance Get tailored compliance and tracking solutions developed specifically for your organization. Air Dispersion Modeling Providing nationwide expertise in air pollutant dispersion modeling, Alliance consultants conduct NAAQS impact evaluations and state toxics screenings, with proficiency in various air dispersion models such as SCREEN3, ISCS, AERSCREEN, AND AERMOD. Reporting Building on a significant track record of successful reports that adhere to regulatory requirements, Alliance also provides the detailed, internal documentation required to obtain responsible official certification. GMAP (Geospatial Measuring 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 Backed by extensive expertise from EPA’s Office of Research and Development (ORD) GMAP program. Odor Assessment Services Odors from agricultural, commercial, industrial, and municipal sources can negatively affect nearby residents. Alliance offers specialized solutions for all your odor challenges. Odor Impact Assessments | Odor Emission Source Sampling |Odor Compliance Testing | Odor Consulting – Expert Witness Testimony Water Quality Services Hydrological & Hydraulic Studies Assisting you with TMDL, waste load allocations, and flow analysis, our specialties include dye tracer studies, flow modeling (such as HEC-RAS), and direct flow measurements. We help calculate regulatory low flows (e.g., 7Q10) to adjust pollutant load limits, working closely with state agencies, USGS, and EPA to ensure your water quality projects are successful. NPDES Permitting Your goal is our mission—to minimize costs associated with meeting water quality standards and effluent guideline requirements. We cover permit application development, review and negotiations; Adjudication support, reparation of pollution prevention plans, and NPDES data systems management (including DMR preparation). Stormwater Assisting industrial, construction, and municipal clients achieve cost-effective compliance with local, state, and federal stormwater discharge regulations. Natural Resources Biological Assessment Leveraging advanced techniques for fish, macroinvertebrate, periphyton, zooplankton, phytoplankton, and habitat analysis across diverse environments, our specialists are equipped to handle multiple site surveys in various waterbody sizes. Human Health Ecological Risk Assessment With more than 50 years of combined experience in water, groundwater, soil/sediment, and air, our team of scientists, toxicologists, and engineers provide ecological and human health risk assessments for industrial clients, with concerns ranging from heavy metals to organic pollutants. Stream and Wetland Restoration and Mitigation From step-pools and riffles to bank stabilization and in-stream habitat features, our team of ecologists, hydrologists, engineers, and wetland scientists collaborate to effectively restore and enhance wetland habitats for mitigation and water/stormwater treatment. USACE Permitting Providing strategic US Army Corps of Engineers (USACE) permitting services to reduce, avoid, or minimize impacts on Waters of the US, while controlling permitting and mitigation costs. Civil and Environmental Engineering Water, Wastewater, and Stormwater Design We provide solutions to wastewater, stormwater, and potable water infrastructure requirements for municipal, commercial, and industrial clients. Site Design Our site design capability includes planning, permitting, design, bidding, construction administration, and construction inspections. We serve residential and commercial developments, railways, and industrial facilities. Permitting & Funding Assistance We provide regulatory guidance and compliance assistance navigating the application of various federal and state environmental and permitting programs, and low-interest funding and loans. Industrial Process Capabilities Alliance has a team of engineers experienced in project studies and the design of industrial process solutions for chemical, pulp & paper, and pharmaceutical plants. Process and Mechanical Engineering As part of our industrial engineering services, we provide process and mechanical engineering studies to improve productivity by identifying, correcting or preventing weaknesses in the manufacturing and process systems. Surveying and Mapping Alliance has both licensed surveyors and GIS mapping experts in order to provide a seamless approach to every job and a higher-quality end result. REQUEST INFORMATION “Compliance is not just a requirement but a commitment. Our proactive approach to environmental compliance ensures that we not only meet regulatory standards but exceed them—leading the way in assisting our clients with their compliance goals.” Jeff Lask Senior Vice President, Environmental Compliance Division HON RTR Amendment Years of Details. Clear Road to Compliance. The final EPA Risk and Technology Review (RTR) amendments for Hazardous Organic NESHAP (HON) became effective on July 15, 2024 . It’s important to know what, when and how to plan for your course of action. Find critical compliance dates, requirements, and advice as you begin your implementation programs. Back to All Services

We support leading companies and brands across a wide range of industries. Markets we serve. With profound understanding of your space and operation, we are committed to delivering high-quality, specialized insight and support, provided by experts. We understand the special challenges of each sector and have the experience, approach, and capabilities to make a difference in a wide range of industries. Oil & Gas Energy & Power Manufacturing & Production Chemical & Processing Building & Construction Environmental & Waste Management Government & Institutions Food & Consumer Goods Specialty Services & Equipment REQUEST INFORMATION Learn more. Find out how we can support your business with our range of services. With expertise in a variety of end markets, Alliance is focused on People, Process, and Technology to provide unparalleled response and service to assist clients with meeting their air compliance and risk reduction goals.

1700+ Dedicated Employees 50+ Locations in the US and Canada 110+ 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 2021 820 2022 945 2023 1,430 2024 1,720 2018 125 2020 675 2000 2 2005 10 2010 20 2015 50 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 2023-2024 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 (BV) METCO Environmental Air Pollution Testing Golden Specialty Our Reach With over 50 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, Tyler Rudman Chris LeMay Chief Executive Officer Tyler Rudman Chief Financial Officer Kim Van Soelen Chief Commercial Officer Jim Herr Chief Administrative Officer Premal Vora Chief Strategy Officer Learn more about Alliance Technical Group. 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

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

Services / Environmental Compliance / Assessment & Remediation Assessment & Remediation Understand and reduce your impact. Get expert advice and solutions for your environmental issues. We help clients understand potential risks in property transactions, assess known or suspected environmental impacts, and remediate existing contamination in soil, water, and air using an arsenal of investigative procedures and decades of experience to develop practical, cost-effective solutions. Environmental site assessments. Comprehensive due diligence in delivering full-service Phase I & II Environmental Site Assessments using ASTM standards. Investigative remediation services. Client need-based solutions are expertly delivered for contamination remediation of Air, Water, and Soil Matrices, including In-Situ Chemical Oxidation, Enhanced Bioremediation, and Soil Vapor Extraction. Advanced impact management. Decades of experience come together to offer solutions for wetland delineation, RCRA/CERCLA permitting, and long-term monitoring for environmental compliance and impact. Services & Solutions Assessment and Remediation Services Environmental Site Assessment Phase I and II | Wetland Delineation | Brownfield Redevelopment | RCRA/CERLA | Permitting | Media Management Planning | Remediation | ALTA Surveys | Topographic Surveys | Zoning Reports | Site Investigations | Brownfield Redevelopment Phase 1 Environmental Site Assessment (ESA): Phase 1 ESAs are conducted in general conformance with ASTM Standard E1527-21. The primary goal of a Phase I ESA is to identify recognized environmental conditions (RECs), which refer to the presence or likely presence of hazardous substances or petroleum products on a property that could pose a risk to human health or the environment. Historical Data Review Regulatory Database Review Site Reconnaissance Interviews Our team's capability to complete Phase 1 ESAs with a quick turnaround time ensures a comprehensive evaluation of the property's environmental status, facilitating informed decision-making regarding future actions. Phase 2 Environmental Site Assessment (ESA): A Phase II Environmental Site Assessment (ESA) is essential for evaluating a property's environmental condition and identifying potential contamination risks. This process involves several critical steps to ensure a thorough analysis. Sampling soil, groundwater, and air Using advanced equipment to collect samples Laboratory analysis to detect contaminants Risk assessment based on regulatory standards Detailed reporting with recommendations Our experienced team uses state-of-the-art equipment to provide reliable, actionable insights, helping clients mitigate risks and make informed decisions on property transactions or developments. Property Condition Assessment Conducting a Site Reconnaissance Reviewing Relevant Documents Interviews Reviewing User-Provided Information Cost Estimation Replacement Reserves Schedule Preparation of a PCA Report Remediation Following a site assessment, we address environmental impacts and reduce contaminants with custom-designed methods tailored to each situation. We avoid generic remediation plans, providing in-situ and ex-situ treatments and work closely with clients to find cost-effective solutions. These may involve traditional or innovative remedies, depending on site complexity. Our technologies include Chemical Oxidation and Reduction, Enhanced Bioremediation, Pump and Treat, Excavation, Soil Vapor Extraction, and Thermal Desorption. REQUEST INFORMATION “Through a proactive approach, we don’t simply meet regulatory standards—we exceed them, setting new benchmarks in environmental responsibility and empowering our clients to achieve their compliance goals with confidence.” Jeff Lask Senior Vice President Back to All Services

Reach out to us for your testing, monitoring, and lab needs. Request more information below or use the locations map to contact one of our offices directly. Privacy Policy Last updated: October 15, 2024 Location: www.alliancetg.com This Privacy Policy describes Our policies and procedures on the collection, use and disclosure of Your information when You use the Service and tells You about Your privacy rights and how the law protects You. We use Your Personal data to provide and improve the Service. By using the Service, You agree to the collection and use of information in accordance with this Privacy Policy. Interpretation and Definitions Interpretation The words of which the initial letter is capitalized have meanings defined under the following conditions. The following definitions shall have the same meaning regardless of whether they appear in singular or in plural. Definitions For the purposes of this Privacy Policy: Account means a unique account created for You to access our Service or parts of our Service. Affiliate means an entity that controls, is controlled by or is under common control with a party, where "control" means ownership of 50% or more of the shares, equity interest or other securities entitled to vote for election of directors or other managing authority. Company (referred to as either "the Company", "We", "Us" or "Our" in this Agreement) refers to Alliance Technical Group. Cookies are small files that are placed on Your computer, mobile device or any other device by a website, containing the details of Your browsing history on that website among its many uses. Country refers to: United States Device means any device that can access the Service such as a computer, a cellphone or a digital tablet. Personal Data is any information that relates to an identified or identifiable individual. Service refers to the Website. Service Provider means any natural or legal person who processes the data on behalf of the Company. It refers to third-party companies or individuals employed by the Company to facilitate the Service, to provide the Service on behalf of the Company, to perform services related to the Service or to assist the Company in analyzing how the Service is used. Usage Data refers to data collected automatically, either generated using the Service or from the Service infrastructure itself (for example, the duration of a page visit). Website refers to Alliance Technical Group, accessible from You means the individual accessing or using the Service, or the company, or other legal entity on behalf of which such individual is accessing or using the Service, as applicable. Collecting and Using Your Personal Data Types of Data Collected Personal Data While using Our Service, We may ask You to provide Us with certain personally identifiable information that can be used to contact or identify You. Personally identifiable information may include, but is not limited to: Email address, first name and last name, phone number, address, state, province, ZIP/Postal code, city. First name and last name Phone number Address, State, Province, ZIP/Postal code, City Usage Data Usage Data Usage Data is collected automatically when using the Service. Usage Data may include information such as Your Device's Internet Protocol address (e.g. IP address), browser type, browser version, the pages of our Service that You visit, the time and date of Your visit, the time spent on those pages, unique device identifiers and other diagnostic data. When You access the Service by or through a mobile device, We may collect certain information automatically, including, but not limited to, the type of mobile device You use, Your mobile device unique ID, the IP address of Your mobile device, Your mobile operating system, the type of mobile Internet browser You use, unique device identifiers and other diagnostic data. We may also collect information that Your browser sends whenever You visit our Service or when You access the Service by or through a mobile device. Tracking Technologies and Cookies We use Cookies and similar tracking technologies to track the activity on Our Service and store certain information. Tracking technologies used are beacons, tags, and scripts to collect and track information and to improve and analyze Our Service. The technologies We use may include: Cookies or Browser Cookies. A cookie is a small file placed on Your Device. You can instruct Your browser to refuse all Cookies or to indicate when a Cookie is being sent. However, if You do not accept Cookies, You may not be able to use some parts of our Service. Unless you have adjusted Your browser setting so that it will refuse Cookies, our Service may use Cookies. Web Beacons. Certain sections of our Service and our emails may contain small electronic files known as web beacons (also referred to as clear gifs, pixel tags, and single-pixel gifs) that permit the Company, for example, to count users who have visited those pages or opened an email and for other related website statistics (for example, recording the popularity of a certain section and verifying system and server integrity). Cookies can be "Persistent" or "Session" Cookies. Persistent Cookies remain on Your personal computer or mobile device when You go offline, while Session Cookies are deleted as soon as You close Your web browser. Learn more about cookies on the article. We use both Session and Persistent Cookies for the purposes set out below: Necessary / Essential Cookies Type: Session Cookies Administered by: Us Purpose: These Cookies are essential to provide You with services available through the Website and to enable You to use some of its features. They help to authenticate users and prevent fraudulent use of user accounts. Without these Cookies, the services that You have asked for cannot be provided, and We only use these Cookies to provide You with those services. Cookies Policy / Notice Acceptance Cookies Type: Persistent Cookies Administered by: Us Purpose: These Cookies identify if users have accepted the use of cookies on the Website. Functionality Cookies Type: Persistent Cookies Administered by: Us Purpose: These Cookies allow us to remember choices You make when You use the Website, such as remembering your login details or language preference. The purpose of these Cookies is to provide You with a more personal experience and to avoid You having to re-enter your preferences every time You use the Website. For more information about the cookies, we use and your choices regarding cookies, please visit our Cookies Policy or the Cookies section of our Privacy Policy. Use of Your Personal Data The Company may use Personal Data for the following purposes: To provide and maintain our Service, including to monitor the usage of our Service. To manage Your Account: to manage Your registration as a user of the Service. The Personal Data You provide can give You access to different functionalities of the Service that are available to You as a registered user. For the performance of a contract: the development, compliance and undertaking of the purchase contract for the products, items or services You have purchased or of any other contract with Us through the Service. To contact You: To contact You by email, telephone calls, SMS, or other equivalent forms of electronic communication, such as a mobile application's push notifications regarding updates or informative communications related to the functionalities, products or contracted services, including the security updates, when necessary or reasonable for their implementation. To provide You with news, special offers and general information about other goods, services and events which we offer that are like those that you have already purchased or enquired about unless You have opted not to receive such information. To manage Your requests: To attend and manage Your requests to Us. For business transfers: We may use Your information to evaluate or conduct a merger, divestiture, restructuring, reorganization, dissolution, or other sale or transfer of some or all Our assets, whether as a going concern or as part of bankruptcy, liquidation, or similar proceeding, in which Personal Data held by Us about our Service users is among the assets transferred. For other purposes: We may use Your information for other purposes, such as data analysis, identifying usage trends, determining the effectiveness of our promotional campaigns and to evaluate and improve our Service, products, services, marketing and your experience. We may share Your personal information in the following situations: With Service Providers: We may share Your personal information with Service Providers to monitor and analyze the use of our Service, to contact You. For business transfers: We may share or transfer Your personal information in connection with, or during negotiations of, any merger, sale of Company assets, financing, or acquisition of all or a portion of Our business to another company. With Affiliates: We may share Your information with Our affiliates, in which case we will require those affiliates to honor this Privacy Policy. Affiliates include Our parent company and any other subsidiaries, joint venture partners or other companies that We control or that are under common control with Us. With business partners: We may share Your information with Our business partners to offer You certain products, services or promotions. With other users: when You share personal information or otherwise interact in the public areas with other users, such information may be viewed by all users and may be publicly distributed outside. With Your consent: We may disclose Your personal information for any other purpose with Your consent. Retention of Your Personal Data The Company will retain Your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use Your Personal Data to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws), resolve disputes, and enforce our legal agreements and policies. The Company will also retain Usage Data for internal analysis purposes. Usage Data is generally retained for a shorter period of time, except when this data is used to strengthen the security or to improve the functionality of Our Service, or We are legally obligated to retain this data for longer time periods. Transfer of Your Personal Data Your information, including Personal Data, is processed at the Company's operating offices and other locations where involved parties operate. This may include transfers to locations outside of Your jurisdiction, where data protection laws may differ. Your consent to this Privacy Policy followed by Your submission of such information represents Your agreement to that transfer. The Company will take all steps reasonably necessary to ensure that Your data is treated securely and in accordance with this Privacy Policy and no transfer of Your Personal Data will take place to an organization or a country unless there are adequate controls in place including the security of Your data and other personal information. Delete Your Personal Data You have the right to request access to, correct, or delete the Personal Data that We hold about You. To make such a request, please contact Us at the email provided below. We will respond to Your request within a reasonable time frame, as required by law. Our Service may give You the ability to delete certain information about You from within the Service. You may update, amend, or delete Your information at any time by signing in to Your Account, if you have one, and visiting the account settings section that allows you to manage Your personal information. You may also contact Us to request access to, correct, or delete any personal information that You have provided to Us. Please note, however, that We may need to retain certain information when we have a legal obligation or lawful basis to do so. California, Colorado, Connecticut, Delaware, Florida, Indiana, Iowa, Montana, Oregon, Tennessee, Texas, Utah, and Virginia provide (now or in the future) their state residents with rights to: Confirm whether we process their personal information. Access and delete certain personal information. Correct inaccuracies in their personal information, taking into account the information's nature processing purpose (excluding Iowa and Utah). Data portability. Opt-out of personal data processing for: targeted advertising (excluding Iowa); sales; or profiling in furtherance of decisions that produce legal or similarly significant effects (excluding Iowa and Utah). Either limit (opt-out of) or require consent to process sensitive personal data. The exact scope of these rights may vary by state. To exercise any of these rights please info@alliancetg.com. Nevada provides its residents with a limited right to opt-out of certain personal information sales. Residents who wish to exercise this sale opt-out rights may submit a request to this info@alliancetg.com . [However, please know we do not currently sell data triggering that statute's opt-out requirements.] Disclosure of Your Personal Data Business Transactions If the Company is involved in a merger, acquisition or asset sale, Your Personal Data may be transferred. We will provide notice before Your Personal Data is transferred and becomes subject to a different Privacy Policy. Law enforcement Under certain circumstances, the Company may be required to disclose Your Personal Data if required to do so by law or in response to valid requests by public authorities (e.g. a court or a government agency). Other legal requirements The Company may disclose Your Personal Data in the good faith belief that such action is necessary to: Comply with a legal obligation Protect and defend the rights or property of the Company Prevent or investigate possible wrongdoing in connection with the Service Protect the personal safety of Users of the Service or the public Protect against legal liability Security of Your Personal Data The security of Your Personal Data is important to Us. While We strive to use commercially acceptable means, such as encryption and secure protocols, to protect Your Personal Data, We cannot guarantee its absolute security due to the inherent risks of online data transmission. Children's Privacy Our Service does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from anyone under the age of 13. If You are a parent or guardian and You are aware that Your child has provided Us with Personal Data, please contact Us. If We become aware that We have collected Personal Data from anyone under the age of 13 without verification of parental consent, We take steps to remove that information from Our servers. If you believe that we might have any information from or about a child under 13, please contact us immediately so we can take appropriate actions. If We need to rely on consent as a legal basis for processing Your information and Your country requires consent from a parent, We may require Your parent's consent before We collect and use that information. Links to Other Websites Our Service may contain links to other websites that are not operated by Us. If You click on a third-party link, You will be directed to that third party's site. We strongly advise You to review the Privacy Policy of every site You visit. We have no control over and assume no responsibility for the content, privacy policies or practices of any third-party sites or services. Data Security The safety and security of your information also depends on you. Where we have given you (or where you have chosen) a password for access to certain parts of our Website, you are responsible for keeping this password confidential. We ask you not to share your password with anyone. Unfortunately, the transmission of information via the internet is not completely secure. Although we do our best to protect your personal information, we cannot guarantee the security of your personal information transmitted to our Website. Any transmission of personal information is at your own risk. We are not responsible for circumvention of any privacy settings or security measures contained on the Website. Changes to this Privacy Policy We may update Our Privacy Policy from time to time. We will notify You of any changes by posting the new Privacy Policy on this page. We will let You know via email and/or a prominent notice on Our Service, prior to the change becoming effective and update the "Last updated" date at the top of this Privacy Policy. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page. Contact Us If you have any questions about this Privacy Policy, You can contact us: By email: info@alliancetg.com

Services / Environmental Compliance / Compliance Compliance Services Navigating compliance with confidence. Compliance doesn’t have to be complicated. By developing comprehensive plans and long-term support for your environmental goals, we take the complexity, uncertainty, and hassle out of regulatory standards. Streamlined support. Improve operational efficiency with a compliance partner you can trust—saving you time, money, and aggravation. Reduced risk. Tailored and timely solutions mean fewer failed inspections. We work with you to customize a plan that fits your specific needs. Confident compliance. With active roles in a multitude of trade organizations and regulatory bodies, we ensure you stay ahead of new regulations and changes. Services & Solutions Environmental Compliance LDAR Compliance Audits & Management | EHS Compliance as a Service | Health & Safety Consulting and Training | Risk Assessments & Mitigation Planning | |Industrial Hygiene Assessments | HON Fenceline/HON RTR Expertise The teams of environmental engineers, industrial hygienists, and industry specialists at Alliance Technical Group have decades of experience serving the environmental, health, and safety needs of clients in both the public and private sectors. We offer a full range of EHS services to help you protect your employees and the environment and to ensure your workplace stays in compliance, including: LDAR Compliance and Auditing Services Having extensive experience with Federal (NSPS, MACT, RCRA) and State-level LDAR standards impacting the chemical manufacturing, petroleum refining, and oil & gas industries, Alliance consultants are well-versed in enhanced LDAR programs required under US EPA Consent Decree. Our LDAR service offerings extensively include Audits, Analyses Assessments, Program development, Reporting, and more. EHS Compliance as a Service CHESS (Comprehensive Health, Environmental and Safety System) A proprietary fixed-fee monthly environmental program to provide full-service compliance assistance. By integrating regulatory and training expertise with our in-house supporting disciplines, we can ensure a seamless approach to project management and environmental compliance throughout the project lifecycle and beyond. Module I – Waste Management Module II – Stormwater & Wastewater Module III – Spill Prevention Control & Countermeasure Module IV – Emergency Planning & Community Right to Know Module V – Comprehensive Air Services Health & Safety Consulting and Training Services We’re ready to help you achieve a higher level of health and safety in your industrial workplace by providing full-service compliance assistance and specialized training. Our experienced Environmental, Health, and Safety (EHS) team provides expert monitoring and testing services to ensure industrial and manufacturing facilities are in compliance and provide a safe workplace for employees. Health & Safety Consulting Services Industrial Hygiene Monitoring Asbestos Inspections Indoor Air Quality Assessments Mold & Fungal Testing Combustible Dust (DHA) Silica OSHA Program Audit OSHA Program Development Confined Space Awareness & Entry Control of Hazardous Energy (LOTO) Respirator Fit Testing Noise & Audiometric Testing Health & Safety Training Services RCRA Hazardous Waste Management DOT Hazardous Materials Transportation Wastewater Physical Chemical & Biological HAZWOPER 8, 24, 40 Confined Space Awareness & Entry OSHA 10 hr. & 30 hr. General Industry & Construction Hazard Communication First Aid CPR Bloodborne Pathogens Aerial Lift Truck Control of Hazardous Energy (LOTO) Arc Flash (NFPA 70E) Low Voltage Respirator Training REQUEST INFORMATION “There's an energy that fuels my passion—facing new challenges, collaborating with brilliant minds, and creating solutions for clients that make a difference.” Tanvi Desai Director of Compliance Stay up on Compliance with Alliance. Gasoline Rule Revisions: Navigating the Critical Trilogy for Compliance In the complex world of environmental regulations, staying ahead of the curve is critical. On May 8, 2024, the U.S. Environmental ... Safety First: The Crucial Role of Industrial Hygiene Services Safety isn’t just a protocol—it’s a promise. Amid the complexities of modern industries, the health and safety of workers remain paramount.. Back to All Services

Services / On-Site Testing / Fugitive Emissions / SkyBridge Software SkyBridge Software Suite Transform with SaaS. SkyBridge cloud-based Software as a Service (SaaS) platform is specially developed for seamless, scalable, secure, and compliant real-time data management of LDAR, OGI, Cooling Towers, Fenceline Monitoring, and Air Permitting. Solutions SkyBridge Share accurate LDAR field data as it’s being captured and already updating your records in real-time. Safer and simpler than on-premises systems, SkyBridge ensures gated access with no firewall breaches, saves labor and IT costs, cuts errors, and is user-friendly. In addition to supporting traditional Method 21 monitoring, SkyBridge has built-in support for OGI camera surveys as well allowing for mixed-mode monitoring whether you are doing AWP or just supplemental monitoring with the camera. Cloud-Based Mobility | Real-Time Field Data | Accurate & Secure | Comprehensive Reporting | Seamless Updates SkyBridge OGI For compliance database management, SkyBridge OGI tackles midstream and upstream optical gas imaging challenges for the oil and gas industry, plus fugitive emissions programs in other industries by eliminating manual tasks, fragmented data, and weak security. Reduced Risks | Auto-generated CEDRI reports | Instant image/video uploads | Secure real-time data synchronization Get a Custom Demo Request your own simulated SkyBridge OGI demo when you contact us for more information. SkyBridge Fenceline Monitoring Experience the ease and efficiency of managing your program with SkyBridge Fenceline Monitoring software. With built-in regulatory requirements and business rules, instant data transfer and in-field documentation—make smart, fast data-driven decisions. Eliminate mundane manual tasks and wasted hours of work, and reduce risks from human errors. SkyBridge Cooling Towers Manage your cooling system with our secure, user-friendly solution. Eliminate data loss, boost efficiency, and organize inventory with a web app. For better decision-making, streamline reporting with detailed inspections, emissions reports, and inventory lists. Easily check your field data anytime, anywhere—whether you’re on a PC, laptop, tablet, or phone. All you need is a web browser. Ready to transform with SkyBridge? Your people will thank you for the user-friendly interfaces and streamlined efficiency. REQUEST INFORMATION See How SkyBridge OGI Works "Seamlessly designed for environmental teams, SkyBridge prioritizes compliance, efficiency, and data quality. Our intuitive suite of solutions enables you to confidently manage complex regulations, minimize time-consuming processes, and maintain data integrity—all in one place and in real-time." James Naron Vice President, Technology Back to All Services

Services / Lab Testing & Analysis / Environmental Labs Environmental Labs Full-service environmental analysis. Streamline your project delivery with a one source provider for all your testing and analysis. Reduce risks with fast, reliable results, backed up by exceptional service from Alliance’s advanced labs. Comprehensive services. Our expansive national network of labs with 40+ state and TNI accreditations cover the full spectrum of advanced environmental testing and analysis for Air, Water, Soil, and Waste matrices. Industry-leading experience. Utilizing state of the art equipment and methods, the most experienced technical professionals, chemists and scientists in the industry are focused on delivering your data with maximum ease and minimum fuss. Client-centric consistency. Providing fast turnaround and consistently on-time results, with data reports and service tailored to our clients' specific testing and compliance requirements. Services & Solutions Water Testing Extensive knowledge of the permitting and testing requirements for all water matrices complements extensive analytical capabilities so Alliance delivers fast, applicable data to you in the precise format you’ll need. Wastewater & Non-Potable Water Drinking/Potable Water Groundwater/Monitoring Wells Stormwater Testing NPDES (National Pollutant Discharge Elimination System) Soil and Waste Testing and Analysis Alliance supports compliance demonstration, quality assessment and remediation services with standard regulatory and advanced analyses of solid materials, including soils. Land Reuse/Site Characterization Soil testing to support investigations and remediation activity. Includes Toxicity Characteristic Leaching Procedure (TCLP) analyses for evaluating the potential hazardous substances that leach into the ground. Air & Source Emissions Analysis Precise measurement of air quality samples for pollutants and hazardous gases including Cr6+, Hg, Metal HAPS, Acid Gases, and complex organics. Ambient Air/Soil-Gas Analysis TO15 and 8260 analysis for volatile organic compounds in air and soil-gas samples. Specified Tests and Methods PFAS (Per- and Polyfluoroalkyl Substances) PFAS (sometimes called "forever chemicals”) have emerged as one of the most concerning persistent pollutants of today. Alliance conducts all emerging regulatory methods across matrices to support risk assessment, management and environmental compliance projects focused on these highly persistent pollutants. Volatile and Semi-volatile Organics Methods like 8260, 624 for volatile organics, and 8270, 625 for semi-volatile organics. Metals and Inorganics Precise detections of lead, mercury, RCRA metals, arsenic, chrome, cyanide and other analytes of toxicity concern. Including tests for TDS (Total Dissolved Solids), TSS (Total Suspended Solids), BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand). Organic and Niche Testing PCBs, Pesticides, Herbicides PCDD/PCDF (Dioxins/Furans) TPH (Total Petroleum Hydrocarbons) Radioactive substances Hydrocarbon testing of Recycled Oil Special Requests Added matrices that require specific or specialized testing are available on request. REQUEST INFORMATION Watch our PFAS Testing Video “Our network of environmental labs provides clients with direct access to local expertise on regulations, supported by a national network with extensive technical resources, including niche services like PFAS, PCDD/PCDF, and radiochemistry analysis.” Jordan Laster Senior Vice President, Laboratory & Analytical map Alliance Lab Locations Expect proactive regulatory guidance, and consistent support for all your environmental sampling, testing, and analytical needs around the U.S. and into Canada. Meet all your environmental lab testing and analysis needs seamlessly by using advanced Alliance labs around the country with local, regional, and federal testing requirement expertise. REQUEST INFORMATION DOD and NELAP accreditations; lab certifications in over 40 U.S. states and growing. Back to All Services