At the AWMA Air Measurement Methods and Technology Conference in San Diego on March 8-9, 2022, the U.S. Environmental Protection Agency (EPA) reported that AROMA instruments are capable of measuring ethylene oxide below 0.011 ppbv (0.02 µg/m3). This concentration is associated with a 100-in-a-million cancer risk for a lifetime of continuous exposure to ethylene oxide. They obtained these results during an intercomparison study evaluating a variety of instruments to measure ethylene oxide under controlled and relevant atmospheric conditions. AROMA showed unparalleled sensitivity, stability, precision, and accuracy of ethylene oxide measurements under a range of atmospheric conditions including high and low relative humidity, gas and particle interferences, and at varying concentrations.
Link to conference proceedings.
Reference: A. Gitipour, I. George, T. Yelverton, M. Lewandowski, E. Thoma, K. Loftis, and G. Queiro. Intercomparison of Ethylene Oxide Measurement Methods Under Controlled and Relevant Atmospheric Conditions. Presentation at the AWMA Air Measurement Methods and Technology Conference in San Diego, CA. 9 March 2022.