0001050502-06-000009 S-3 3 20060117 20060118 ADA-ES INC 0001223112 2890 841457335 CO 1231 S-3 33 333-131085 06534850 8100 SOUTHPARK WAY B LITTLETON CO 80120 S-3 1 adaess3.txt S-3 EX-5.1 2 adaes5-1.txt OPINION EX-23.1 3 adaes23-1.txt CONSENT