No injury associate. 4/5/05 informed mgr diagnosed with Post Tramatic Stress Disorder from a near miss that occured on 01/27/05 - associate removing material from #3 to #4 transfer box. Associate on platform but not tied off, material came loose hit platform, assoc. fell and grabbed edge of box and his feet were on 3 x 5 angle below 4 to 5 feet off ground