This grey Topic Circle is focused on the relevant know-how for the analytical laboratory with a general character: the laboratory process, sampling, troubleshooting, how to develop a method, measuring and validating, statistics for the practitioner in the lab, written by world class experts. We are currently preparing large contributions on sample preparation, method development, troubleshooting, validation and LIMS. Plus the circles that focus on application areas: on food, pesticides, water, pharma, synthetic polymers, and more area's to follow. Any suggestions? Please feel free to mail me. Jo Klaessens.