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.

Alliance Technical Group, a leading provider of environmental testing, monitoring, and compliance services, announced today the acquisition of Environmental 360, LLC , an environmental consulting and monitoring firm that has served industrial clients since 2010.

Deadlines creep up fast when you’re operating a facility. That’s why it helps to have compliance experts in your corner. Alliance’s Trusted Advisors keep you ahead of EPA Re-Notification deadlines, so you can get back to what matters most—managing operations.

Between the ODEQ Cleaner Air Oregon (CAO), USEPA Greenhouse Gases (GHG), Information Collection Request (ICR) requirements, and all permits and emissions inventories—facilities are under pressure to deliver precise, defensible emissions data. From source testing to risk modeling and permitting, Oregon facilities of all sizes are being held to highly technical toxic air contaminant emissions inventory reporting standards and selecting the right partner to deliver it will be

Sheridan, WY & Decatur, AL — May 12, 2025  – Alliance Technical Group (Alliance), a leading provider of environmental testing,...

The U.S. Environmental Protection Agency (EPA) has launched major actions to combat PFAS contamination, with a clear directive to advance air-related PFAS information collection and measurement techniques.  Under the EPA's enhanced focus, organizations must now demonstrate proactive PFAS testing, monitoring, and reporting — or risk significant regulatory and legal consequences.

Are you ready for the new RICE Rule Electronic Reporting requirements?

On March 12, 2025 , U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced as the "greatest and most consequential...

Alliance Technical Group is proud to be Certified™ by Great Place To Work®. This prestigious award is based entirely on what current...