4. AOACRIMicroMethods-2018Awards

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Alison DeShields, Jonathan Clifton, T. Shane Wilson, Meghan Daniel, Nicole Klass, and Colleen Sweeney.

fresco (25 g), bagged raw spinach (25 g), romaine lettuce (25 g), melon (whole), raw chicken leg pieces (25 g), raw chicken breast fillet (25 g), sealed concrete (sponge, 225 and 100 mL), stainless steel (sponge, 225 mL), and plastic (high-density polyethylene; EnviroSwab, 10 mL).

References

(1) U.S. Food and Drug Administration (2008) Guidance for Industry: Control of Listeria monocytogenes in Refrigerated or Frozen Ready-to-Eat Foods; Draft Guidance, http://www.fda.gov/Food/ GuidanceRegulation/GuidanceDocumentsRegulatoryInformation/ FoodProcessingHACCP/ucm073110.htm (accessed March 2016) (2) European Food Safety Authority (2015) Listeria , http://www .efsa.europa.eu/en/topics/topic/listeria (accessed March 2016) (3) Centers for Disease Control and Prevention (2016) Listeria Outbreaks, http://www.cdc.gov/listeria/outbreaks/ (accessed March 2016) (4) Official Methods of Analysis (2012) 19th Ed., AOAC INTERNATIONAL, Gaithersburg, MD, Appendix J (5) US Department of Agriculture Food Safety and Inspection Service (2013) Microbiology Laboratory Guidebook Chapter 8.09 Isolation and Identification of Listeria monocytogenes from Red Meat, Poultry and Egg Products, and Environmental Samples, http://www.fsis.usda.gov/wps/wcm/connect/1710bee8- 76b9-4e6c-92fc-fdc290dbfa92/MLG-8.pdf?MOD=AJPERES (accessed January 2016) (6) Official Methods of Analysis (2016) 20 th Ed., AOAC INTERNATIONAL, Rockville, MD, Method 2015.13 (7) Least Cost Formulations, Ltd, MPN Calculator–Version 1.6, www.lcfltd.com/customer/LCFMPNCalculator.exe (accessed March 2016) (8) Official Methods of Analysis (2012) 19th Ed., AOAC INTERNATIONAL Method 2012.02 (9) Wehling, P., LaBudde, R., Brunelle, S., & Nelson, M. (2011) J. AOAC Int. 94 , 335–347 (10) Least Cost Formulations, Ltd (2013) AOAC Binary Data Interlaboratory Study Workbook Version 2.3, http://www.aoac .org/iMIS15_Prod/AOAC/SD/SGR/AOAC_Member/SDCF/ SDGRCF/SDSGM.aspx?hkey=086fdba4-32e2-43f0-8272- 7d41a6603e87 (accessed March, 2016) (11) ISO 18593:2004 (2004) Microbiology of Food and Animal Feeding Stuffs – Horizontal Methods for Sampling Techniques from Surfaces Using Contact Plates and Swabs , International Organization for Standardization, Brussels, Belgium

Acknowledgments

We would like to extend a sincere thank you to the following collaborators for their dedicated participation in this study: Robert Brooks, ATC Microbiology, LLC (North Little Rock, AR) Jaspreet Walia and Francisco Hernandez, Certified Laboratories (Turlock, CA) David Bosco and Grizelda Trevino, Food Safety Net Services (Fresno, CA) Alex Brandt and Chris Lopez, Food Safety Net Services (San Antonio, TX) Elizabeth Sjogren and Manish Shekhawat, Microbac Laboratories, Inc. (Worcester, MA) Li Ma, Chris Timmons, and Claudia Diaz Proano, Oklahoma State University (Stillwater, OK) Alexandra Calle and David Campos, Texas Tech University (Lubbock, TX) Zachary Metz and David Baumler, University of Minnesota (St. Paul, MN) Robbie Smith, Dianne Wood, Evelyn Maranan, and Carmen Chavarria, Maple Leaf Foods (Guelph, ON, Canada) Ben Bastin, Microbiology R&D, Q Laboratories, Inc. (Cincinnati, OH) David Isfort, Microbiology – Food, Q Laboratories, Inc. (Cincinnati, OH) Jesse Miller, Bryan Schindler, Courtney Gies, Eric Budge, Zach Geurin, and Alex Repeck, NSF International (Ann Arbor, MI) Cynthia Zook and Christina Barnes, 3M Food Safety (St. Paul, MN) We would like to extend a special thanks to the following team members at Q Laboratories, Inc. for their efforts during the collaborative study: M. Joseph Benzinger, Jr, Allison Mastalerz,

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