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Ethylene Oxide (Concise International\nChemical Assessment Document\n54), Geneva, 2003. Available at http:\/\/www.inchem.org."},{"key":"ref4\/cit4","unstructured":"USEPA. Evaluation\nof the Inhalation Carcinogenicity of Ethylene Oxide (CASRN 75-21-8)\nIn Support of Summary Information on the Integrated Risk Information\nSystem (IRIS).\n                      EPA\/635\/R-16\/350Fa\n                      , December 2016. Available at https:\/\/cfpub.epa.gov\/ncea\/iris\/iris_documents\/documents\/toxreviews\/1025tr.pdf."},{"key":"ref5\/cit5","unstructured":"California Office of Environmental\nHealth Hazard Assessment\n(OEHHA). Technical Support\nDocument for Cancer Potency Factors, Appendix B. Chemical-specific\nsummaries of the information used to derive unit risk and cancer potency\nvalues.\n                      Ethylene oxide\n                      , updated 1987, see pp B-326\u2013B-338. Available at https:\/\/oehha.ca.gov\/media\/downloads\/crnr\/appendixb.pdf."},{"key":"ref6\/cit6","unstructured":"USEPA. 2014 National\nAir Toxics Assessment (NATA). August 2018. Available at https:\/\/www.epa.gov\/national-air-toxics-assessment\/2014-nata-assessment-results and https:\/\/www.epa.gov\/national-air-toxics-assessment\/2014-nata-fact-sheet (accessed September 9, 2023)."},{"key":"ref7\/cit7","unstructured":"USEPA. National Emission\nStandards for Hazardous Air Pollutants: Miscellaneous Organic Chemical\nManufacturing Residual Risk and Technology Review. Final rule.\n                      85 Federal Register 49084\n                      , EPA, August 12, 2020."},{"key":"ref8\/cit8","unstructured":"USEPA. 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Method Toxic Organic (TO) 15A, Determination of Volatile Organic\nCompounds (VOCs) in Air Collected in Specially Prepared Canisters\nand Analyzed by Gas Chromatography\u2013Mass Spectrometry (GC-MS). Available at https:\/\/www.epa.gov\/sites\/default\/files\/2019-12\/documents\/to-15a_vocs.pdf."},{"key":"ref23\/cit23","unstructured":"Gitipour, A., George, I., Yelverton, T., Lewandowski, M., Thoma, E., Loftis, K., Nwia, J., Sieffert, M., Queiroz, G., Burnette, P., Singer, C. Intercomparison of Ethylene Oxide Measurement Methods Under Controlled and Relevant Atmospheric Conditions. Air and Waste management Association Air Quality Measurement Methods and Technology Conference, San Diego, CA, 2022."},{"key":"ref24\/cit24","unstructured":"Thermo-Fisher Scientific. MAX-iR FTIR Gas Analyzer datasheet. 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Determination of Ethylene Oxide at Ultra Trace Concentrations in Ambient Air Using EPA Method TO-15A: Optimization of VOC Preconcentrator and GC-MS Analytical Method Parameters.\n                      Air & Waste Management Association\u2019s 116th Annual Conference and Exhibition\n                      , Orlando, FL, June 5\u20138, 2023, AWMA, 2023."},{"key":"ref39\/cit39","unstructured":"Agilent. Agilent 8890\nGas Chromatograph datasheet. Available at https:\/\/anatune.co.uk\/wp-content\/uploads\/2021\/03\/8890-DataSheet.pdf (accessed April 25, 2024)."},{"key":"ref40\/cit40","unstructured":"USEPA. EPA Traceability\nProtocol for Assay and Certification of Gaseous Calibration Standards. 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