EE WAS WORKING ON BELT TAIL WHEN HE KNELT ON ROCK, NEXT DAY KNEE WAS SWOLLEN. HE CONTINUED TO WORK UNTIL DR. APPT. ON 9-6. AT THAT TIME FLUID WAS DRAINED AND PAIN WAS MINIMAL. HOWEVER THE KNEE BECAME INFECTED DUE TO TREATMENT AND HE WAS UNABLE TO WORK FROM 9-10 UNTIL RETURNING WITH RESTRICTIONS ON 9-19.