A married couple killed last week when their minivan collided with a dump truck on Highway 1 at Pomponio State Beach has been identified as residents of San Mateo, officials said Monday. Dennis Vernak, 83, and his 79-year-old wife, Helena, were leaving Pomponio State Beach Thursday about 4:11 p.m. when a dump truck hit their Toyota Sienna minivan as they pulled out of the parking lot, according to the California Highway Patrol.