EPA Method 2 Overview | Stack Gas Velocity & Volumetric Flow Rate

A complete overview of USA EPA Method 2, the standard protocol for determining stack gas velocity and volumetric flow rate using a Type S pitot tube. EPA Method 2 is a foundational component of stationary source emissions testing. Whether you are prepping for a QSTI exam, working as an environmental consultant, or studying stack sampling, this video breaks down the essential field procedures, equations, and equipment requirements. 📌 What You'll Learn: • The core principles of EPA Method 2 • Type S pitot tube specifications and calibration criteria • Measuring differential pressure (Delta P) and stack temperature • How to calculate molecular weight and volumetric flow rate • Common field errors and QA/QC checks If this breakdown helped clarify Method 2 for you, make sure to like the video, drop any troubleshooting questions below, and subscribe for more source testing guides! #EPAMethod2 #StackTesting #AirEmissions #EnvironmentalEngineering #PitotTube #FlowRate