The aim of this work package is to evaluate and optimise the sample preparation, including stability of substances in matrix,  for a set of various whole water samples including freshwater (surface and ground water) and a synthetic real matrix water which consists of distinct ingredients e.g. dissolved organic compound (DOC) (humic substances) and suspended particulate matter (SPM).

• Task 1.1: (Short-term) stability of estrogens within samples between sampling and analysis
• Task 1.2: Optimisation and evaluation of extraction methods
• Task 1.3: Evaluation of the ability of optimised sample preparation methods to address whole water

WP leader: Dr. Christian Piechotta, BAM, contact: christian.piechotta@bam.de