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EF/ICR logo Column Name: T50

Description: Theoretical detention time for unit processes in minutes. The detention time corresponding to the time for which 50% of the water remains in the unit process. When value is missing then T50 is estimated as: Liquid Volume (gal) divided by (Water Flow into Basin in Millions of Gallons per Day [MGD] 694.44 gpm/mgd).

Envirofacts Table Name: TUXUNPRO

Data Source:


Definition Source: Data Element Dictionary for the Information Collection Rule Auxiliary 1 Database.

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