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Disposal operation

D4

Surface impoundment, e.g. placement of liquid or sludgy discards into pits, ponds or lagoons

Operational Notes
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Category

Disposal

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D3

Deep injection, e.g. injection of pumpable discards into wells, salt domes or naturally occurring repositories

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D5

Specially engineered landfill, e.g. placement into lined discrete cells which are capped and isolated from one another and the environment