0000950129-04-003679 S-8 POS 1 20040527 20040527 WASTE MANAGEMENT INC 0000823768 4953 731309529 DE 1231 S-8 POS 33 333-45066 04835416 1001 FANNIN STREET STE 4000 HOUSTON TX 77002 7135126200 1001 FANNIN STREET SUITE 4000 HOUSTON TX 77002 USA WASTE SERVICES INC 19920703 S-8 POS 1 h15798bsv8pos.htm WASTE MANAGEMENT, INC. - P.E. AMEND. #1