What does the EPA Stack Stack Test Method 5 primarily test for?

The EPA Stack Test Method 5 is specifically designed to measure particulate matter emissions from stationary sources. This method involves capturing particulate matter from the exhaust stack of industrial facilities and analyzing it to determine the concentration and mass of particulate emissions. Particulate matter is a significant pollutant that can have serious health and environmental impacts, and Method 5 provides a standardized way to assess these emissions, which is crucial for regulatory compliance and environmental protection initiatives.

Other choices focus on different pollutants. Carbon dioxide emissions are typically measured using other methods that do not focus on particulate matter. Nitrogen oxides are assessed through different testing methods that target gas phase emissions rather than solid particulates. Similarly, volatile organic compounds require distinct sampling and analytical procedures that are unrelated to the particulate focus of Method 5. This distinction highlights the importance of using the correct methodology for specific types of environmental monitoring.