A firefighter from Montclair assists an actor playing a chemical burn victim last week during a multi-agency hazardous materials training exercise at Pomona College. The training simulated a laboratory accident involving a chemical explosion that injured several people and required the evacuation and clean up of an entire building. The joint operation included Claremont and college police, as well as fire departments from Los Angeles County, Montclair, Upland and Rancho Cucamonga. COURIER photo/Steven Felschundneff