0000950129-01-503991 10-Q 2 20010930 20011113 WASTE MANAGEMENT INC 0000823768 4953 731309529 DE 1231 10-Q 34 001-12154 1784182 1001 FANNIN STREET STE 4000 HOUSTON TX 77002 7135126200 1001 FANNIN STREET SUITE 4000 HOUSTON TX 77002 USA WASTE SERVICES INC 19920703 10-Q 1 h91961e10-q.txt WASTE MANAGEMENT, INC. - 9/30/01 EX-12 3 h91961ex12.txt COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES