0001188938-09-000001 4 1 20090401 20090402 20090402 YOUNG CHARLES E 0001188938 4 34 001-11596 09726736 PERMA FIX ENVIRONMENTAL SERVICES INC 0000891532 4955 581954497 DE 1231 8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350 7705879898 8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350 4 1 primary_doc.xml PRIMARY DOCUMENT