Joseph A. Garcia / Star staff Photo by Joseph A. Garcia / Star staff Ventura 07/25/2007: Reymond(cq) Evangelista(cq), a central supply technician for St. John's Regional Medical Center, gets set to go through a decontamination tent following a demonstration how to prepare the tent at Operation Sunset. The event, held at Freedom Park in Camarillo, is a 24-hour disaster training exercise put on by Ventura County Public Health. Helping put Evangelista through the tent is Ruben Villanueva(cq), left, EVS manager for St. John's Regional Medical Center.