EPA Re-Thinks OTM-37 for Condensable Particulate
OTM-37 allows you to simulate what actually happens to stack gas as it exits the stack and mixes and cools in …
Podcast: Walt Smith Part 1
We talked with Walt Smith about his early days at EPA, how some of the stack methods came into being, and …
Refinery Sector Rule 2018 Amendments: Flare Impacts
This analysis is based on the pre-publication copy of the rule and the summary will only address impacts to …
Excess Emission CEMS vs Compliance CEMS in Subpart Db
Learn more about the regulatory requirements and testing in regards to how NOx CEMS are treated in Subpart …
Jim Guenthoer: The Successful Stack Test
In these inaugural episodes of CleanAir’s podcast series Hot Air, I sit down with Jim Guenthoer to talk …
Danny Landry: Drones for Inspection and Air Quality Monitoring
Danny Landry is a pioneering entrepreneur in the field of drone (or UAV) use for industrial inspection and …
It’s Time to Rethink Flare Velocity Limits
US EPA’s flare velocity limits were originally issued in 1986. Since then, they have found their way into …
The ACE Rule: When is an Emission Increase an Emission Increase?
The Trump EPA’s new Affordable Clean Energy (ACE) rule proposal announced today aims to replace the …
What’s Up with MATS? The Rule 28 Years in the Making and Still Cookin’
EPA’s long-suffering Mercury and Air Toxics Standards (MATS) rule regulates emissions of mercury and other …
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