7th Latin American Pesticide Residue Workshop

May 5th to 8th, 2019

Foz do Iguazu, Brazil

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Post-Workshop Courses

Throughout LAPRW 2019 there will be simultaneous translation English/Spanish and Spanish/English

However, there will NOT be simultaneous translation during pre and post workshop courses

May 9th, 2019

Course 3 (Only in Spanish)

9:00 - 12:25

European Guidelines for Quality Control in the Analysis of Pesticide Residues in Foods (Document SANTE / 2017/11813 in Detail)

Presentation and analysis of Document SANTE / 2017/11813

Participatory Discussion on Specific Aspects of the Document SANTE / 2017/11813, including:

Initial Validation Criteria


Recovery of Routine Control and Correction of Results with Recovery Factors

Estimation and Use of Measurement Uncertainty

Issues Raised by Participants in the Course

Speaker: Prof. Dr. Antonio Valverde

(University of Almeria, Spain)

Professor of chemistry at the University of Almeria (Almería, Spain) where he co-founded the Pesticide Residues Research Group

Author/publisher in the Journal of Agricultural and Food Chemistry, Journal of Chromatography A, Food Control, Journal of the AOAC International, and other internationally recognized scientific journals of agro-food chemistry. Member of Journal of Environmental Science and Health-Part B Editorial Board

Founding member of the European Pesticide Residue Workshop (EPRW) Committee, being the president of EPRW 1998 (Almería, Spain) and will be at the EPRW 2020 (Granada, Spain). One of the founders of the Mediterranean Group of Research on Pesticides (MGPR)

Member of the "Advisory Group" appointed by the European Commission (DG SANTE) to review/update the EU requirements on quality control in pesticide residue laboratories (EU-AQC-SANTE document)

Member of the "Quality Control Group - Scientific Committee" of proficiency testing (EUPTs) on pesticide residues organized by EU Reference Laboratories (EURLs)

For 10 years he collaborated as technical auditor with the National Accreditation Body of Spain (ENAC)

Course 4 (Only in English)

13:30 - 17:30

Efficient Start-to-Finish Analysis of Pesticide Residues in Foods

Introduction and Background: purposes for analysis, data quality objectives, and validation

Sample Processing: theory and practice to quickly obtain minimal but representative sample test portions for analysis

Sample Preparation: theory and practice of different extraction and cleanup methods, including automation, to achieve high and consistent recoveries of a wide scope of analytes (or narrow scope depending on the application) while minimizing direct and indirect interferences and matrix effects from sample components

Analysis: high-throughput methods less than 10 min each in gas and liquid chromatography coupled to modern mass spectrometric techniques for the detection of hundreds of analytes in complex matrices

Data handling: how to automatically integrate chromatographic peaks with reliable quantification and identification of analytes at trace levels in complex matrices without human review or manual re-integrations

Speaker: Dr. Steven Lehotay

(United States Department of Agriculture (USDA), USA)

Research chemist (chief scientist) at the Agricultural Research Service (ARS) for the US Department of Agriculture (USDA)

Since 1992 has been researching the development and improvement of methods that analyze pesticides, veterinary drugs and other contaminants in food and environmental samples. Research addresses all aspects of the analytical process, including sample processing, preparation, separations, detection, sorting, quantification, identification/confirmation and data processing using many types of analytical techniques applied in new and useful ways

Received over 15 international awards

Author/co-author of more than 145 scientific publications and more than 220 scientific abstracts