EURL growth promoters We are the European Union Reference Laboratory (EURL) for the analysis of products from food-producing animals for the presence of hormonal growth promoting compounds, sedatives and mycotoxins. Wageningen Food Safety Research also hosts the EURL mycotoxins and plant toxins. Agenda and News Evaluation Veterinary Residues of Medicinal Products results 2018 In 2020 we will organize a PT for PT Methyltestosterone and Trenbolone in urine, a PT for Zeranol (RALs) in urine (bovine) and at the end of 2020 a PT for Nortestosterone-ester in hair (start). The EURL annual workshop will be held in Wageningen from 2-4 November 2020. Register Go to About WFSR About EURL growth promoters Webshop reference materials Library Proficiency test registration Proficiency test reports (restricted access) Workshops and training Analytical services Download EURL folder NRL contact list List of suppliers of Analytical Standards & Proficiency Tests ContactOur contact person is Saskia Sterk.Send an e-mail.