We were at the XXIX Congresso della Divisione di Chimica Analitica (MIlazzo, 11 – 15 Settembre), where Roberto presented the study “The cluster validity indices: a comprehensive review and multiple comparison by chemometrics methods”, Fabio “Identification of photodegradation products of escitalopram in surface water by HPLC-MS/MS” and Veronica won the best poster award for the category forense e tossicologia “From the streets to the law-enforcement authorities: a rapid and sensitive uhplc-ms/ms method for the determination of 13 illicit substances in drug seizures”.