0000902664-05-002419 SC 13G 1 20051223 20051223 ADA-ES INC 0001223112 2890 841457335 CO 1231 SC 13G 34 005-79394 051285887 8100 SOUTHPARK WAY B LITTLETON CO 80120 GENDELL JEFFREY L ET AL 0000948904 SC 13G 31 WEST 52ND ST 17TH FLOOR NEW YORK NY 10019 200 PARK AVENUE SUITE 3900 NEW YORK NY 10166 SC 13G 1 sc13g.txt TONTINE/ADA 12/20/05