0001193125-09-066089 10-K 8 20081231 20090327 20090327 ADA-ES INC 0001223112 2890 841457335 CO 1231 10-K 34 000-50216 09710637 8100 SOUTHPARK WAY B LITTLETON CO 80120 10-K 1 d10k.htm FORM 10-K EX-10.58 2 dex1058.htm AMENDMENT TO THE MASTER AGREEMENT FOR THE PURCHASE OF ACTIVATED CARBON EX-21.1 3 dex211.htm SUBSIDIARIES OF ADA-ES, INC. EX-23.1 4 dex231.htm CONSENT OF EHRHARDT KEEFE STEINER & HOTTMAN PC EX-31.1 5 dex311.htm CERTIFICATION OF THE CEO PURSUANT TO 17 CFR 240.13A-14(A) EX-31.2 6 dex312.htm CERTIFICATION OF THE CFO PURSUANT TO 17 CFR 240.13A-14(A) EX-32.1 7 dex321.htm CERTIFICATION OF THE CEO PURSUANT TO SECTION 906 EX-32.2 8 dex322.htm CERTIFICATION OF THE CFO PURSUANT TO SECTION 906