2500  Average Temperature Ranges Average = 1700  Average Temperature Ranges Average = 49 % Ash, 51 % Carbon 5,000 BTU (4336) 96-97 Parts of Waste Coal.

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2500  Average Temperature Ranges Average = 1700  Average Temperature Ranges Average = 49 % Ash, 51 % Carbon 5,000 BTU (4336) Parts of Waste Coal and 3-4 Parts of Limestone Are added to produce the final mixture 7 % Ash, 93 % Carbon 13,000 BTU Types of Coal Coal Waste Coal Grades of Coal: Metric Anthracite Anthracite Bituminous Sub Bituminous Lignite CoalBTU’sAsh Carbo n Bituminous10 K12 %88 % Anthracite14.5 K5 %95 % Waste CoalBTU’sAsh Carbo n Bituminous3.5 K70 %30 % Anthracite7.0 K30 %70 %

Waste Coal Coal Refuse % % Limestone Illite Kaolinite Pyrophylite Pyrite (Sulphur) Rutite CFB Waste Coal Mixture Carbon Plus Limestone Added (All Rock 100% Ash) to control SO 2 levels. Waste Coal Limestone Carbon is the key component that burns. Ash is the naturally occurring “rocks” elements found in the local area. When a “lump” of coal is burned the ash that remains is the rock elements (%) found in the lump of coal. The carbon burns off to produce energy. Coal 51 % Rock (Ash) 49 %

Fuel (Wood/Coal) Stack/Chimney SO 2 NO 2 Mercury Opacity CO 2 ASH – (Beneficial Use) CFB Waste Coal Ash (+ 3% Limestone/Ash) CFB Ash Content The Waste Coal/Limestone Mixture is very alkaline ash with low permeability and benign chemical properties, making it safe and ideal for abandoned mine reclamation Monitored Controlled Elements Found in Carbon Burning (Coal) Process: 1. Sulphur (SO 2 ) – Limestone Control 2. Nitrogen (NO 2 ) – Low Temperature – More Oxygen 3. Mercury 4. Opacity (Particulates PM 10 – 5 – 2.5) 5. CO 2 6. Water (Cooling + Storm Water Controls) CFB Environmental Controls AIR CFB Ash Content The Waste Coal/Limestone Mixture is very alkaline ash with low permeability and benign chemical properties, making it safe and ideal for abandoned mine reclamation. 97 % Coal Ash3% Limestone Ash 51 % Carbon49% Ash