Discover the top causes of CEMS failures and how to prevent them. Get expert troubleshooting advice and maintenance strategies to reduce downtime.

Learn who needs a Title V Operating Permit, how the EPA permit process works, and how stack testing and CEMS data keep your facility in compliance.

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.

Don't wait until January to start planning for stack testing season. This year-end CEMS checklist covers permit reviews, contractor scheduling, CEMS readiness, and everything else to lock in before the holidays.

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 this article, read about where you can locate your plant's CEMS Probes, Flow Probes & Opacity Units on your stack unit & what EPA regulations apply to them.

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.

Understand calibration gas requirements for CEMS under Part 60 and Part 75 — daily checks, quarterly audits, gas grades, bottle placement, and common issues.

Whether you're addressing recurring maintenance issues or planning for long-term system reliability, our team can help you develop a strategy that minimizes downtime and keeps your CEMS operating at peak performance.

This guide covers what a RATA is, which regulations govern it, and exactly what to do before, during, and after your test.

Learn when and how to replace CEMS analyzers under 40 CFR Part 75. This guide covers compliance testing procedures, reference gases, monitoring plan updates, and recertification best practices.

A QA/QC manual is a federal requirement for any facility operating a CEMS or COMS. Learn what regulations apply, what the manual must include, and when it needs to be updated.

Learn what the EPA's Protocol Gas Verification Program (PGVP) requires for Part 75 facilities—approved vendors, calibration gas standards, and how to stay compliant.

Daily calibration validations are time-consuming and easy to get wrong. Here's how automating them with a capable DAS improves accuracy, reduces downtime, and keeps your CEMS compliant.