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| surface impoundment; lagoon operation; lagooning; lagooning The process in which sunlight, bacterial action and oxygen cause self-purification in waste water, Usually taking place in a shallow pond, or system of such ponds | |||
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| surface impoundment; lagoon operation; lagooning; lagooning The process in which sunlight, bacterial action and oxygen cause self-purification in waste water, Usually taking place in a shallow pond, or system of such ponds | |||