0001144204-09-025256 10-Q 9 20090331 20090511 20090511 PERMA FIX ENVIRONMENTAL SERVICES INC 0000891532 4955 581954497 DE 1231 10-Q 34 001-11596 09813434 8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350 7705879898 8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350 10-Q 1 v148504_10q.htm EX-4.1 2 v148504_ex4-1.htm EX-4.2 3 v148504_ex4-2.htm EX-4.3 4 v148504_ex4-3.htm EX-4.4 5 v148504_ex4-4.htm EX-31.1 6 v148504_ex31-1.htm EX-31.2 7 v148504_ex31-2.htm EX-32.1 8 v148504_ex32-1.htm EX-32.2 9 v148504_ex32-2.htm