In-Situ Particle Size Distribution Sampling Using Cascade Impactors: What Can It Tell Us?
In-situ particle size distribution sampling using cascade impactors produce a lot of info on the nature of a …
Looking at VOC Emissions Testing? Here are 4 Things to Consider.
In order to properly test for VOCs, (at least) four questions need to be answered before determining what …
Determining Insitu Particle Size Distribution in a Gas Stream
A PSD can be used diagnostically to evaluate the performance of an air pollution control device or to gather …
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 …
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 …
infoBits: Sampling Hydrogen Chloride (HCl) from Stacks
1. Hydrogen Chloride (HCl) is an acid gas classified as a Hazardous Air Pollutant (HAP), and is identified as …
Sorbent Tube Method Approved for HCl Measurement on Coal-fired EGUs
The U.S. EPA recently “upgraded” Other Test Method 40 (OTM-40) to an approved alternative method …
infoBits: Condensable Particulate Sampling Bias
Particulate is defined by the method used to measure it. Unlike chemically distinct emissions like carbon …
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