Version 4
Summary: The Index is designed to guide all test houses / operators on which methods to select when carrying out air emissions testing for compliance purposes.
This guidance document lists the available testing methodologies for the most common parameters along with uncertainty requirements and further useful information for test houses.
The original version of this guidance note was prepared and published by the EPA in 2014. This document is the fourth revision of that original, and has been prepared to reflect the changes in regulatory and monitoring practices that have occurred in the interim.
