If you have an air emissions source or work in the air pollution field, chances are that you will have to oversee a stack test, review stack test data, or audit a stack test report at some point in your career. This webinar is intended to cover the ins and outs of many of the common stack testing methods utilized across industry today. The three-part series will look at the stack side and lab side of each method, will discuss the calculations that are performed, and will cover how to assess if the method is being performed correctly, common challenges with the methods, and how to understand the quality assurance and quality control data you see in a laboratory report.