Oral presentations from the 2018 NACRW meeting are available below and are shown by the underlined presentation title for those presenters who elected to share their presentations. Although the presentations were displayed via PowerPoint format during the meetings, they have been converted to Adobe PDF format to conserve space on this web server.   


Presentations are only posted with the speaker's written consent. Some speakers (for a variety of reasons - agency/company policy, copyrighted material, data in pre-pub status, etc) have elected not to post their presentation, and those files are not housed on this website. Some of the posted PDF files have security restrictions enabled (e.g. restriction of printing, copying text, etc), or selected slides deleted, per each speaker's request. If a link does not exist below, or if a linked file does not meet your needs, please contact the particular speaker directly (contact information is available in the 2018 Program Booklet, beginning on page 36).


Monday, July 23, 2018



        8:45-9:30 am              Presentation by Excellence Award Winner
Janusz Pawliszyn, Canada Research Chair, Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada

A-1                               Matrix Compatible Coatings in SPME:  An Enabling Technology Facilitating Full Automation and On-site Residue Determinations of Food Products                         


        9:30-10:45 am            SESSION 1:                                                                                                         

                                                Sample preparation: new and novel techniques and methods

                                                Co-Chairs: Steven Moser and Brian Eitzer


        9:30-9:50 am              Sonia Herrera López, NVWA- Netherlands Food and Consumer Product Safety Authority, Wagenningen, Netherlands

        O-1                                 Comprehensive study of different approaches for the determination of 15 highly polar pesticides in food matrices. Influence of matrix type on the identification


        9:55-10:15 am            Michael S Young, Waters Corporation, Milford, MA, USA

        O-2                                 Improved Extraction and Cleanup Prior to LC-MS/MS Determination of Bound and Unbound Dicamba and Dicamba Metabolite Residues in Agricultural Samples      


        10:20-10:40 am          Shabarinath Nambiar, Murdoch University, Perth, WA, Australia

        O-3                                 Single tube extraction and clean up using solubilized QuEChERS extractants – a miniaturized approach


        1:30-3:10 pm              SESSION 2:                                                                                                         

                                                Advanced and new instrumentation

                                                Co-Chairs: Willis Chow and Jon Wong


        1:30-1:50 pm              Lili He, University of Massachusetts, Amherst, MA, USA

        O-4                                 Surface Enhanced Raman Spectroscopy for Food Colorant Analysis                        


        1:55-2:15 pm              Scott White, University of Minnesota, Minneapolis, MN, USA

        O-5                                 Food Sensing with Printed, Floating-Gate Transistors


        2:20-2:40 pm              Kaveh Jorabchi, Georgetown University, Washington, DC, USA

        O-6                                 Plasma Assisted Reaction Chemical Ionization: A Sensitive Ion Source for Elemental Detection and Quantification of Residues    


        2:45-3:05 pm              Amadeo R. Fernández-Alba, European Union Reference Laboratory for Pesticide Residues in Fruit & Vegetables, University of Almeria, Almería, Spain       

        O-7                                 Pesticides analysis in complex matrices by new GC and LC MS/MS improved platforms


        3:55-5:35 pm              SESSION 3:                                                                                                                         

                                                Natural products and supplements

                                                Co-Chairs: Paul Reibach and Ken Kise


        3:55-4:15 pm              Todd Richards, LECO, Saint Joseph, MI, USA

        O-8                                 Utilizing GCxGC-TOFMS for Quantitation of Cannabis Related Pesticides in Hops QuEChERS Extract


         4:20-4:40 pm              Wesley Maguire, Pixis Labs/Columbia Food Lab, Portland, OR, USA

        O-9                                 Comprehensive Determination of Unregulated Pesticides in Cannabis Flower using Tandem Mass Spectrometry                                                   


        4:45-5:05 pm              Avinash Dalmia, PerkinElmer, Shelton, CT, USA

        O-10                              Analysis of all pesticide  residues in cannabis regulated by California and Oregon state using LC/MS/MS with Electrospray and APCI source  


        5:10-5:35 pm              Agustin Pierri, Weck Laboratories, Industry, CA, USA

        O-11                              Cannabis Sativa pesticides, aflatoxins, and potency by LC/MS/MS: one extraction, one analysis               



      Tuesday July 24, 2018


        9:00-10:45 am            SESSION 4:                                                                                                         

                                                Veterinary drug residues

                                                Co-Chairs: Sherri Turnipseed and Eric Verdon


        9:00-9:20 am              Kevin C. Hsieh, Florida Department of Agriculture and Consumer Services, Tallahassee, FL, USA

O-12                              Accurate Quantitation and Analysis of Nitrofurans and Phenicols in Seafood by UHPLC-MS/MS: Proficiency Testing and State Regulatory Samples


        9:25-9:45 am              Ovokeroye A. Abafe, Agricultural Research Council-OVR, Onderstepoort, South Africa

        O-13                              Development and validation of a confirmatory method for the determination of stilbene estrogens in Ostrich serum


        9:50-10:10 am            Anton Kaufmann, Official food control authority of the Canton of Zurich, Zurich, Switzerland

        O-14                              Moving from targeted towards non-targeted approaches

10:15-10:40 am          Thierry Delatour, Nestlé Research Centre, Lausanne, Switzerland

        O-15                              Matrix effect-monitored screening of a hundred veterinary drug residues in food by liquid chromatography-triple quadrupole mass spectrometry


        1:30-3:10 pm              SESSION 5:                                                                                                         

                                                Natural toxins: fungal and aquatic toxins                            

                                                Co-Chair: Sara Mcgrath and Mike Filigenzi          


        1:30-1:50 pm              Sareeta Nerkar, Pickering Laboratories Inc., Mountain View, CA, USA

        O-16                              HPLC Method for Quantification of Mycotoxins in Animal Matrices, Food and Feed      


1:55-2:15 pm              Geoffrey Faden, Mac-Mod Analytical, Chadds Ford, PA, USA

O-17                              Fast, highly sensitive analysis of mycotoxins using superficially porous particles


        2:20-2:40 pm              Wendy K. Strangman, University of North Carolina Wilmington, Wilmington, NC, USA

        O-18                              What are we missing?  Metabolomics, toxin analysis, and new compound discovery from

                                                marine and freshwater HAB species

        2:45-3:05 pm              Pearse McCarron, National Research Council Canada, Halifax, NS, Canada

O-19                              Analytical Methods and Reference Materials for Marine Toxins


Wednesday, July 25, 2018


        8:30-10:45 am            SESSION 7:                                                                                                         

                                                Environmental and human health                                                                           

                                                Co-Chairs: Rob Trengove and Marc Engel    


8:30-8:55 am              Zachary Laughrey, USGS, Lawrence, KS, USA

O-20                              Analysis of Cyanotoxin and Algal Toxins: Data gaps, Challenges, and Advancements


        9:00-9:25 am              Anthony Macherone, Agilent Techonologies, Wilmington, DE, USA

        O-21                              Integrating GC-TOF exposome profiling and genetic disease screening to provide a holistic perspective on honey bee health


        9:30-9:55 am              P. Barry Ryan, Emory University, Atlanta, GA, USA

        O-22                              Insecticide Exposures and Human Health


        10:00-10:25 am          Danielle Stanek, Florida Department of Health, Tallahassee, FL, USA

        O-23                              One Health Approach to Chemical Residues in Our Environment


        1:05-2:45 pm              SESSION 8:                                                                                                         

                                                Novel and emerging contaminants of concern in food and the environment

                                                Co-Chairs: Yelena Sapozhnikova and Paul Yang


        1:05-1:25 pm              Katerina Mastovska, Covance Laboratories, Madison, WI, USA

        O-24                              Reliable and Cost-Effective Analysis of Bisphenol A and Nonylphenols in Foods and Beverages


        1:30-1:50 pm              Yelena Sapozhnikova, USDA, Wyndmoor, PA, USA

        O-25                              Analysis of organophosphate esters in meats and fish


        1:55-2:15 pm              Hui Peng, University of Toronto, Toronto, Canada

        O-26                              Untargeted Screening and Prioritization of Halogenated Chemicals in the Environment              


        2:20-2:40 pm              Mark W Sumarah, Agriculture and Agri-food Canada, London, Canada

        O-27                              Non-targeted Analysis of Emerging Environmental Contaminants by Data Independent Acquisition LC-MS/MS


        3:15-4:55 pm              SESSION 9:                                                                                                         

                                                Special topics in food and the environment                                                       

                                                Co-Chairs: Neely Belai and Sam White


        3:15-3:35 pm              Sitra Abubeker, USDA Agricultural Marketing Service, Washington, DC, USA

O-28                               USDA's Pesticide Data Program-Who Uses the Data      


3:40-4:00 pm              Barbara Kiedrowska, NVWA - Netherlands Food and Consumer Product Safety Authority, Wageningen, The Netherlands

        O-29                              Development, validation and implementation of a GC-EI-Orbitrap HRMS method for routine analysis of pesticide residues in fruits and vegetables


        4:05-4:25 pm              Paul Yang, MOECC, Etobicoke, Canada

        O-30                              Correlation of estrogenicity in wastewater using effect-directed analyses and liquid chromatography-tandem mass spectrometry


        4:30-4:50 pm              Peter L. Morton, National High Magnetic Field Laboratory/FSU, Tallahassee, FL, USA

O-31                              Contamination of Turmeric with Lead Paint


        4:55-5:10 pm              Poster Awards and Closing