0000950129-04-006295 11-K/A 2 20031231 20040819 WASTE MANAGEMENT INC 0000823768 4953 731309529 DE 1231 11-K/A 34 001-12154 04985312 1001 FANNIN STREET STE 4000 HOUSTON TX 77002 7135126200 1001 FANNIN STREET SUITE 4000 HOUSTON TX 77002 USA WASTE SERVICES INC 19920703 11-K/A 1 h17843be11vkza.htm WASTE MANAGEMENT, INC.- RETIREMENT SAVINGS PLAN FOR BARGAINING UNIT EMPLOYEES EX-23.1 2 h17843bexv23w1.htm CONSENT OF INDEPENDENT REGISTERED ACCOUNTING FIRM