There's still no cause of death for the man whose body was found off I-84 in Danbury last week.  The Chief Medical Examiner's Office is still awaiting toxicology test results, which can take up to 8 weeks.  63-year old Herbert Ruehle was found dead in a grassy area off the exit 4 ramp by a surveyor setting up for road work on May 2nd.  State Police said at that time there was no sign of foul play.  Ruehle was homeless at the time of his death, with his last known address in Kent, New York.