This poster on stack particle size analysis by microscopy was presented at the Source Evaluation Society (SES) Conference in 2015 in Tuscon Arizona. The poster was a collaboration between Tim Vander Wood of MVA Scientific Consultants and … [Read more...]
Stack Emission Particulate Identification Analysis
Stack emissions must pass a series of compliance tests. Out-of-compliance particulate test samples must be investigated to identify what the particulate is. Stack testing companies primarily use particulate identification analysis for … [Read more...]
Stack Testing Lab Method 5 Filters
Have you ever wondered what your method 5 filters look like at a micro-scale? Did you know you can obtain PSD and morphology information simultaneously using a microscopy sizing method? Microscopical measurement of particle size … [Read more...]
Stack Testing – Method 202 Particulate
We always say that a picture is worth a thousand words. It perfectly applies in this Method 202 residue study. The pictures below show a film residue and particles in a Method 202 back half catch stack sample. This catch was heavy, … [Read more...]
SEM Analysis of Method 201A Filters – Webinar
Examination of Method 201A cyclone catch fractions indicates that as much as 98% of the mass of material present in the PM2.5 fraction is due to particles with measured (physical) diameters greater than 2.5µm. Possible explanations for this … [Read more...]
Stack Particle Size Measurement
Tim Vander Wood, our Executive Director, recently presented a poster on stack particle size analysis by microscopy at the Source Emission Society (SES) Conference. The poster was published in the SES newsletter this April, and we thought it … [Read more...]
Stack Particle Size Analysis Q&A
Stack Testing Lab In the coming months, MVA Scientific Consultants will post a series of the most common stack testing questions related to scanning electron microscopy (SEM) particle size analysis methods that we get from our clients. … [Read more...]