Optimization of EPA Method TO-15 for Analysis of ppt Levels of Ethylene Oxide in Ambient Air DOWNLOAD PRESENTATIONLearn how we optimized EPA Method TO-15 to achieve a 10 ppt reporting limit for ethylene oxide. Author: David Berkowitz Enthalpy Analytical, LLC Co-author: Denese Daniels Enthalpy Analytical, LLC Co-author: Brian Velleco Enthalpy Analytical, LLC 2022-01-12T21:12:56-05:00