Webinars Details - 4C Conference 13043

4C Conference 2020 Webinars

Stack Testing


Jordan Laster


Alliance Source Testing


Particulate Matter Testing OTM - Stack Testing


Certain sources emit particulate matter (PM) at rates which render traditional particulate testing methods (EPA Methods 5, 201A, & 202) inadequate. Another class of sources finds positive bias in EPA method 202 measurements for condensable particulate matter (CPM) as a result of compounds present in process streams. Recently promulgated OTM-37 makes accurate measurement of particulate from these previously problematic source types possible. Larger particles are collected in PM cyclones, and smaller and condensable particulate matter are collected on a 47-mm filter. The sample gas is diluted with cool, dry air to avoid artifact formation while still allowing the measurement of CPM. OTM-37 measurement sensitivity is in micrograms, as opposed to milligram sensitivity in EPA Method 5, 201A, & 202.




11:00 AM

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