0000950129-04-008347 8-K 2 20041018 8.01 9.01 20041102 20041102 WASTE MANAGEMENT INC 0000823768 4953 731309529 DE 1231 8-K 34 001-12154 041112796 1001 FANNIN STREET STE 4000 HOUSTON TX 77002 7135126200 1001 FANNIN STREET SUITE 4000 HOUSTON TX 77002 USA WASTE SERVICES INC 19920703 8-K 1 h19193e8vk.htm WASTE MANAGEMENT, INC.- OCTOBER 18, 2004 EX-5.1 2 h19193exv5w1.htm OPINION OF JOHN S. TSAI