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Sobus, J., K. Phillips, J. Grossman, A. Chao, A. Williams, C. Grulke, A. Richard, A. McEachran, AND E. Ulrich. Cross-Laboratory Comparison of Non-Targeted Analysis Method Performance using Complex Synthetic Mixtures (GC-Orbitrap Users Group). GC-Orbitrap Users Group, Virtual, NC, March 05, 2024. https://doi.org/10.23645/epacomptox.25447045

Brunelle, L., A. Batt, A. Chao, S. Glassmeyer, N. Quinete, D. Alvarez, D. Kolpin, E. Furlong, M. Mills, AND D. Aga. De facto water reuse - Investigating the fate and transport of chemicals of emerging concern from wastewater discharge through drinking water treatment using non-targeted analysis and suspect screening. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 58(5):2468-2478, (2024). https://doi.org/10.1021/acs.est.3c07514

Chao, A., J. Minucci, M. Boyce, T. Cathey, T. Ferland, N. Sayre-Smith, E. Carr, G. Janesch, S. Purucker, D. Smith, A. Rashid, A. Williams, AND J. Sobus. EPA’s Non-Targeted Analysis WebApp: A web-based software tool for production-level NTA. EPA-RTP, Durham, NC, January 30 - 31, 2024. https://doi.org/10.23645/epacomptox.25438639

Phillips, K., A. Chao, R. Church, K. Favela, S. Garantziotis, K. Isaacs, B. Meyer, A. Rice, R. Sayre, B. Wetmore, A. Yau, AND J. Wambaugh. Suspect Screening Analysis of Pooled Human Serum Samples Using GC × GC/TOF-MS. ACS ES&T Engineering. American Chemical Society, Washington, DC, 58(4):1802-1812, (2024). https://doi.org/10.1021/acs.est.3c05092

Brunelle, L., A. Batt, A. Chao, S. Glassmeyer, N. Quinete, D. Alvarez, D. Kolpin, E. Furlong, M. Mills, AND D. Aga. Utilization of non-targeted analysis and suspect screening tools to examine fate of contaminants of emerging concern during de facto water reuse. Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (PITTCON), San Diego, CA, February 24 - 28, 2024.

Carr, E., G. Janesch, S. Sivasupramaniam, J. McCord, L. Roach, A. Chao, J. Sobus, AND A. Williams. Annotating and Visualizing a Database of Analytical Methods. SERMACS, Durham, NC, October 25 - 28, 2023. https://doi.org/10.23645/epacomptox.24790518

Sloop, J., A. Chao, J. Gundersen, A. Phillips, J. Sobus, E. Ulrich, A. Williams, S. Jackson, AND S. Newton. Applications of Non-Targeted Analysis for Rapid and Community Response. ISES, Chicago, IL, August 27 - 31, 2023. https://doi.org/10.23645/epacomptox.23902161

Williams, A., G. Janesch, E. Carr, C. Lowe, N. Charest, T. Martin, V. Tkachenko, A. Chao, J. Minucci, A. Rashid, AND J. Sobus. Cheminformatics tools and chemistry data underpinning mass spectrometry analyses at the US-EPA. SERMACS, Durham, NC, October 25 - 28, 2023. https://doi.org/10.23645/epacomptox.24520651

Sobus, J., K. Phillips, J. Grossman, A. Chao, A. Williams, C. Grulke, A. Richard, A. McEachran, AND E. Ulrich. Cross-Laboratory Comparison of Non-Targeted Analysis Method Performance using Complex Synthetic Mixtures. Pittcon, Philadelphia, PA, March 18 - 22, 2023. https://doi.org/10.23645/epacomptox.22294456

Sloop, J., A. Chao, J. Gundersen, A. Flynn, J. Sobus, E. Ulrich, A. Williams, AND S. Newton. Demonstrating the Use of Non-targeted Analysis for Identification of Unknown Chemicals in Rapid Response Scenarios. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 57(8):3075-3084, (2023). https://doi.org/10.1021/acs.est.2c06804

Chao, A., J. Minucci, M. Boyce, T. Cathey, T. Ferland, E. Carr, G. Janesch, S. Purucker, D. Smith, A. Williams, AND J. Sobus. EPA’s Non-Targeted Analysis WebApp: Linking cheminformatics resources with NTA workflows. Cheminformatics Resources of U.S. Governmental Organizations, Silver Springs, MD, October 18 - 20, 2023. https://doi.org/10.23645/epacomptox.24382585

Chao, A., J. Minucci, M. Boyce, T. Cathey, T. Ferland, E. Carr, G. Janesch, S. Purucker, D. Smith, A. Williams, AND J. Sobus. EPA’s non-targeted analysis webapp: aligning web-based software tools with best practices for NTA. SERMACS, Durham, NC, October 25 - 28, 2023. https://doi.org/10.23645/epacomptox.24520603

Whitehead, H., J. Sobus, J. McCord, J. Bangma, D. Macmillan, A. Swank, T. Ferland, A. Chao, A. Williams, E. Carr, G. Janesch, S. Urban, Z. Cao, S. Muneem, Y. Chai, S. Greene, A. Dahlmeier, K. Hanson, R. Rushing, S. Saravia, E. Newman, W. Linck, E. Kalve, M. Small, AND T. Buckley. Enabling State Adoption of Non-Targeted Analysis (NTA) to Address Pressing Public Health Needs: Maryland, Minnesota, and California Leading the Way (SETAC 2023). SETAC, Louisville, KY, November 12 - 16, 2023. https://doi.org/10.23645/epacomptox.24794538

Sayre-Smith, N., L. Brunelle, A. Batt, A. Chao, E. Carr, T. Cathey, J. McCord, J. Minucci, Tom Purucker, A. Rashid, D. Smith, A. Williams, D. Alvarez, E. Furlong, S. Glassmeyer, D. Kolpin, M. Mills, AND J. Sobus. Establishing QA/QC Protocols and Tools to Support Non-targeted Analyses of Environmental Matrices. ISES, Chicago, IL, August 27 - 31, 2023. https://doi.org/10.23645/epacomptox.23792595

McEachran, A., T. Chutka, A. Chao, G. Janesch, E. Ulrich, J. Sobus, AND A. Williams. Generating MassBank-ready files from accurate mass library spectra: a proof-of-concept study. ASMS, Houston, TX, June 04 - 08, 2023. https://doi.org/10.23645/epacomptox.23527821

McEachran, A., T. Chutka, A. Chao, G. Janesch, E. Ulrich, J. Sobus, AND A. Williams. Generating MassBank-ready files from accurate mass library spectra: a proof-of-concept study (ACS 2023). ACS, San Francisco, CA, August 13 - 17, 2023. https://doi.org/10.23645/epacomptox.23958150

Boyce, M., K. Favela, J. Bonzo, A. Chao, L. Lizarraga, L. Moody, E. Owens, G. Patlewicz, I. Shah, J. Sobus, R. Thomas, A. Williams, A. Yau, AND J. Wambaugh. Identifying xenobiotic metabolites with in silico prediction tools and LCMS suspect screening analysis. Frontiers in Toxicology. Frontiers, Lausanne, Switzerland, 5:1051483, (2023). https://doi.org/10.3389/ftox.2023.1051483

Sayre-Smith, N., L. Brunelle, A. Batt, A. Chao, E. Carr, T. Cathey, J. McCord, J. Minucci, S. Purucker, A. Rashid, D. Smith, A. Williams, D. Alvarez, E. Furlong, S. Glassmeyer, D. Kolpin, M. Mills, AND J. Sobus. Quality assurance and quality control workflow for the non-targeted analysis of de facto water reuse. SERMACS, Durham, NC, October 25 - 28, 2023. https://doi.org/10.23645/epacomptox.24498436

Chao, A. Reference Materials for Non-Targeted Analyses. NACRW, Fort Lauderdale, FL, July 23, 2023. https://doi.org/10.23645/epacomptox.23729655

Ulrich, E., A. Chao, C. Lowe, J. Sloop, J. Sobus, AND H. Whitehead. Taming the wild west of NTA: advancement of tools & applications. LC-MS/MS Workshop, Buffalo, NY, September 24 - 25, 2023. https://doi.org/10.23645/epacomptox.24175221

Chao, A., A. Williams, AND J. Sobus. Validation of Non-Targeted Analysis Methods: Establishing and Communicating Confidence in Results. NACRW, Fort Lauderdale, FL, July 25, 2023. https://doi.org/10.23645/epacomptox.23992545

Feng, Y., R. Singh, A. Chao, AND Y. Li. Diagnostic Fragmentation Pathways for Identification of Phthalate Metabolites in Non-Targeted Analysis Studies. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY. Elsevier Science Ltd, New York, NY, 33(6):981-995, (2022). https://doi.org/10.1021/jasms.2c00052

Groff, L., J. Grossman, A. Kruve, J. Minucci, C. Lowe, J. McCord, D. Kapraun, K. Phillips, Tom Purucker, A. Chao, C. Ring, A. Williams, AND J. Sobus. Estimating Uncertainty of Predicted Chemical Concentrations via Quantitative Non-Targeted Analysis. Fall ACS, Chicago, IL, August 21 - 25, 2022. https://doi.org/10.23645/epacomptox.19763524

Groff, L., J. Grossman, A. Kruve, J. Minucci, C. Lowe, J. McCord, D. Kapraun, K. Phillips, Tom Purucker, A. Chao, C. Ring, A. Williams, AND J. Sobus. Estimating Uncertainty of Predicted Chemical Concentrations via Quantitative Non-Targeted Analysis (SETAC NTA). SETAC NTA Focused Topic Meeting, Durham, NC, May 22 - 26, 2022. https://doi.org/10.23645/epacomptox.20503272

Boyce, M., K. Favela, A. Chao, G. Patlewicz, J. Sobus, A. Williams, AND J. Wambaugh. Identification of xenobiotic metabolites using in silico tools and non-targeted analysis. SETAC NTA, Durham, NC, May 22 - 26, 2022. https://doi.org/10.23645/epacomptox.19765840