.New Silo lUnetM Pro Ik* ViLITTLE ROCK »AP) — A team from the Atlanta-based Center for Disease Control was expected to arrive in Little Rock early this week to help determine why some people who live near the site of a Titan II missile silo explosion became ill A preliminary survey by the state Health Department indicates that some people who live near the explosion site had “symptoms that were possibly compatible with symptoms occurring with exposure to nitrous oxides. said state Health Department Director Dr. Robert Young