Nashoba resident Steven Nasta has graduated from a state training class for call and volunteer firefighters. The program provides a standard recruit training curriculum, meeting national standards, on nights and weekends to accommodate the schedule of firefighters in suburban and rural areas. There were 31 graduates from 18 fire departments at the ceremony on June 20. State Fire Marshal Stephen D. Coan and Massachusetts Firefighting Academy director Edmund M. Walker presented certificates of completion to the graduates. Full story for BostonGlobe.com subscribers.