“ADA-ES,” “the Company,” “we,” “us,” or “our” refer to ADA-ES, Inc., a Colorado
corporation, and its consolidated subsidiaries. Other abbreviations we use in
this Report include:



• AC = activated carbon




• ACI = activated carbon injection




• ADA-249M = our patented slag viscosity modifying compound




• CAMR = Clean Air Mercury Rule




• DOE = United States Department of Energy




• EPA = United Stated Environmental Protection Agency




• EPRI = the Electric Power Research Institute




• ESP = electrostatic precipitator




• FGC = flue gas conditioning




• MEC = mercury emission control




• PAC = powdered activated carbon




• PRB = Powder River Basin (a particular area of the Western United States)




• RC = Refined Coal (coal treated with our patented pre-combustion additive
chemical)   ...