In-situ particle sizing in “wet” sources: Can we do it and if so, what can we learn?
In-situ devices have seldom been used in “wet” sources, but is that because it's something that can't be …
What Does it Mean to be a Certified EPA Clean Sample Container?
When looking at measuring very low levels, you need to make sure that everything used is free from …
New EPA Changes to the Federal Register
On October 7, 2020 the EPA published an update to the Federal Register that impacts the rules and regulations …
Understanding Quality Checks on Your Lab Data
Let’s break down the major quality checks most labs use every day to make sure your data is both accurate …
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 …
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 …
The “Forever Chemicals” are Back in the House
House Representatives announced that they were to begin working on a drinking water contamination issue …
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 …
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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