Cement kiln dust

Cement kiln dust means non-calcined to fully calcined dust produced in the kiln or pyroprocessing line. Cement kiln dust is a fine-grained, solid, highly alkaline material removed from the cement kiln exhaust gas by scrubbers (filtration baghouses and/or electrostatic precipitators).

Source

40 CFR § 98.6

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Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.

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