On April 4, 2026, the U.S. EPA finalized revisions to portions of the 2024 oil and natural gas regulations under the Clean Air Act, commonly referred to as OOOOb/c.

The Biogas Regulatory Reform Rule (BRRR) has tightened federal oversight of Renewable Natural Gas (RNG) production under the Renewable Fuel Standard (RFS). Read our article to learn what's required and how to meet those requirements.

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 emiss

The United States Environmental Protection Agency finalized the repeal of specific amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Coal- and Oil-Fired Electric Utility Steam Generating Units (EGUs). This article summarizes what changed, what didn’t, and what it means for coal and oil-fired electric generating units (EGUs) going forward. 

EPA's 2026 NSPS Subpart KKKKa sets new NOₓ limits for stationary combustion turbines. Learn subcategory rules, CEMS requirements, and how Alliance supports compliance.

On February 12, 2026, the EPA finalized the rescission of the 2009 Endangerment Finding under Section 202(a) of the Clean Air Act (CAA). While the repeal directly addresses only mobile sources, it signals a broader shift in federal GHG regulatory policy.  Read more to learn the implications on industrial sites.

Environmental Business Journal®* (EBJ), an independent business research publication that has provided strategic market intelligence to the environmental industry* since 1988, has honored Alliance Technical Group with a Business Achievement Award for Mergers & Acquisitions in 2025. 

Decatur, Alabama, January 8, 2026 - Alliance Technical Group, LLC (Alliance), the leading provider of environmental testing services and solutions, announced the acquisition of Earth Analytical Sciences , Mid-Continent Testing Laboratories, Inc. , and Element One, Inc. , three established environmental testing laboratories serving clients across North America. The acquisitions were completed at the end of 2025. The addition of these organizations expands Alliance’s analytica

Blackstone (NYSE: BX) announced today that funds affiliated with Blackstone Energy Transition Partners and other Blackstone funds (“Blackstone”) have acquired Alliance Technical Group (“ATG”), a leading provider of environmental testing, monitoring, and compliance services.

Learn how EPA's 40 CFR Part 84 affects refrigerant compliance. Understand Subpart B transition rules and the January 2026 Subpart C reporting deadline.

When stack flow drops below EPA thresholds, standard methods fail. Learn alternative measurement strategies that prevent $10K-$40K+ retesting costs and compliance delays.

New EPA monitoring requirements for bulk gasoline terminals under MACT R and NESHAP 6B. Learn Method 21 vs OGI options and May 2027 compliance deadlines.

The EPA is using elevated fenceline readings as an entry point to take a deeper dive into other compliance programs, such as tanks, wastewater systems, and your facility's root cause analysis and corrective action response. 

Alliance and LG&E successfully installed and certified an Integrated Path (IP) CEMS on a gas turbine unit that is subject to 40 CFR Part 75.

Learn how Method Detection Limits (MDL) and non-detect results impact stack testing compliance. Expert guidance on avoiding costly retests and regulatory issues.

We are proud to share that Alliance has once again been recognized as a Candidate Experience (CandE) Award winner for 2025.

Whether you’re a pipeline owner, an RNG landfill facility or a wastewater treatment plant with a digester, sampling your product gas is a...

In this Q&A, our Director of Compliance Services shares how Alliance partners with industries to simplify permits, recordkeeping, and audits. Learn how proactive, customized solutions help clients reduce risk, avoid violations, and build lasting confidence in their compliance programs.

Whether you’re dealing with a suspected leak in an exchanger or trying to bring a vacuum system back online, the urgency is the same: find the issue fast, fix it even faster.  Your team needs answers — not theories. That’s where Alliance’s helium tracer gas testing comes in. 

International stack testing is complex — from customs delays to compliance risks. Alliance Technical Group helps facilities worldwide stay on schedule with accurate source testing, proven logistics, and reliable results. Discover how we keep global projects on track.

Alliance Technical Group, a leading provider of environmental testing, monitoring, and compliance services, announced today the acquisition of Global Analyzer Systems Ltd., a Calgary-based emissions monitoring company that has been serving industrial clients since 1996.

Alliance Technical Group (ATG) believes our greatest strength lies in our people. While process and technology are key pillars of our...

Alliance Technical Group, a premier provider of environmental compliance, on-site testing and monitoring, and laboratory testing services, today announced the acquisition of ESC Spectrum, the premier provider of Continuous Emissions Monitoring Systems (CEMS) and Data Acquisition Systems (DAS) services with more than 50 years of innovation and client success.

In an industry where regulatory precision meets operational urgency, flexibility and speed are everything. Whether you're responding to a system outage, gearing up for startup testing, or undergoing a site retrofit, Alliance's fleet of Temporary CEMS solutions deliver trusted air monitoring—right where and when you need it.