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Title

Copper and Zinc in Urban Runoff: Phase 2 – Rainwater Washoff Monitoring

 
Publication number Date Published
19-03-008June 2019
VIEW NOW: Copper and Zinc in Urban Runoff: Phase 2 – Rainwater Washoff Monitoring (Number of pages: 89) (Publication Size: 9682KB)




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Author(s) Bookter, A., and Serdar, D.
Description This report describes results of sampling copper and zinc in rainwater washoff from various building materials and structures. Materials selected for field sampling included four types of building roofs, three types of siding, roof gutters, uncoated galvanized chain-link fencing, and galvanized light standards. All washoff collections were conducted in and around Lacey, Washington, during five storm events (six for siding) during 2018.

Rainwater washoff from most materials contained low concentrations of both copper and zinc. Exceptions were high copper concentrations washed from newer asphalt roofs with algae-resistant granules, and high zinc concentrations in washoff from galvanized structures (chain-link fences and light standards). Results indicate that local washoff rates for copper and zinc are lower than previous estimates derived from literature-based values.
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Keywords nonpoint source, urban, runoff, zinc, Puget Sound, copper
DATA Environmental Information Management (EIM) #ABOO0001

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Copper and Zinc in Urban Runoff: Phase 1 – Potential Pollutant Sources and Release Rates