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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Focus on: Study evaluates roofing materials for toxic chemicals in runoff |
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Focus on: Study evaluates roofing materials for toxic chemicals in runoff (Number of pages: 2) (Publication Size: 78KB)
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| Author(s) | Kingfisher, A. and N. Winters | ||||
| Description | During February-April 2013, the Department of Ecology (Ecology) collected runoff from 18 constructed roofing panels during 10 rain events for contaminant analysis. Ecology identified statistically significant higher concentrations of three metals in runoff from several roofing types when compared to the glass control panels. Most notably, concentrations of total arsenic, copper, and zinc were significantly higher in the following roofing types compared to controls: treated wood shakes (arsenic and copper), copper (copper), Zincalume® (zinc), and EPDM (zinc). New roofing materials in this study did not leach PAHs or PBDEs to the runoff. With one exception (treated wood shake roof), new roofing materials did not leach phthalates. Ecology compared concentrations of metals in runoff found in the present study with literature values. | ||||
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Alli Kingfisher at 509-714-5080 or allison.kingfisher@ecy.wa.gov | ||||
| Keywords | roof runoff, toxics, stormwater, Puget Sound | ||||
| WEB PAGE | Toxic Chemicals in Roof Runoff | ||||
| RELATED PUBLICATIONS | Title:
Roofing Materials Assessment: Investigation of Toxic Chemicals in Roof Runoff |
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