TERMIUM Plus®

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Record 1 2022-08-09

English

Subject field(s)
  • Hydrology and Hydrography
CONT

The "first flush" is a phenomenon whereby the initial stormwater runoff picks up pollutants from catchment surfaces, such as roads and parking lots and sewer deposits, where they have been collecting since the last storm.

French

Domaine(s)
  • Hydrologie et hydrographie
CONT

La «première chasse» est un phénomène au cours duquel le ruissellement en début de tempête ramasse les polluants sur les surfaces du bassin, comme les routes et les terrains de stationnement, ainsi que les dépôts d'égout, où ils se sont accumulés depuis la dernière tempête.

Spanish

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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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