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Is My Drywall Chinese? - HB Litigation Conferences

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Coal Fly Ash<br />

Byproduct of the combustion of coal<br />

Fly ash is a fine, powdery material that would “fly fly”<br />

out of the power plant’s plant s stacks if it were not<br />

captured<br />

Power plants collect the fly ash and use it in<br />

building products<br />

Concentrations of constituents vary with the<br />

combustion process and coal source<br />

Flue Gas Desulfurization (FGD) material is<br />

produced by power plant equipment that scrubs<br />

sulfur dioxide from emissions. --used --used<br />

for man-<br />

made synthetic gypsum to make wallboard and<br />

other products<br />

Fly-ash Fly ash particles are spherical<br />

Non-combustible Non combustible metals remain as ash products<br />

(strontium, aluminum oxide, iron oxide, calcium<br />

oxide, hexavalent chromium, and other elements).<br />

Radionuclides are in a higher concentration than<br />

in the original coal source<br />

Polychlorinated dibenzo-p-dioxins dibenzo dioxins and<br />

dibenzofurans<br />

Crystalline and amorphous silica<br />

Polycyclic aromatic hydrocarbons

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