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Applications and Competing Materials
Coal Combustion By-Products

 

APPLICATION

FLY ASH

BOTTOM ASH

FGD MATERIAL

COMPETING MATERIALS

Concrete & Concrete Products

X

X

 

Cement, Silica Fume, Ground Blast Furnace Slag

Cement Manufacture

X

X

X

Clay, Soil, Shale, Gypsum

Road Base and Subgrade

X

X

X

Cement, Lime, Aggregate

Road Surfacing

X

X

 

Cement, Lime, Aggregate

Soil / Bank Stabilization

X

X

X

Cement, Lime, Aggregate

Structural Fill (Contained Under a Footprint)

X

 

 

Sand, Gravel, Soil, Aggregate

Structural Fill (Not Contained Under a Footprint)

X

X

 

Sand, Gravel, Soil

Backfill

X

X

X

Soil, Sand, Gravel, Cement

Flowable Fill

X

X

 

Soil, Sand, Gravel, Cement

Asphalt Mineral Filler

X

X

 

Sand

Asphaltic Concrete Aggregate

X

X

 

Sand, gravel, Aggregate

Asphalt Blotter Matter

 

X

 

Sand

Building Products, Blocks

X

X

 

Cement, Aggregate

Bricks

X

X

X

Clay, Sand, Cement

Clay Bricks (Grog)

 

X

 

Aggregate

Autoclaved Cellular Concrete

X

 

 

Sand

Wallboard (Sheetrock)

 

 

X

Natural Gypsum

Roofing Material, Shingles

X

X

 

Alternate Filler Materials, Sand

Plastics

X

 

 

Alternate Filler Materials

Paint

X

 

 

Alternate Filler Materials

Grouts

X

 

 

Cement, Lime, Sand

Carpet Backing

X

 

 

Alternate Filler Materials

Artificial Reefs

X

X

 

Oyster Shell, Rock

Roadway Deicing Material

 

X

 

Sand, Salt

Sand Blasting Grit

 

X

 

Sand

Metal Alloys

X

 

 

Aluminum, Alternate Filler Materials

Waste Stabilization & Solidification

X

 

 

Cement, Lime, Cement Kiln Dust, Lime Kiln Dust

Mine Fill

 

X

 

Soil

Fertilizers & Soil Amendments

 

X

X

Natural Gypsum


Last Updated on 5/24/98 By Don Callaway

 

 

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