WFRF:(Hvitt Strömvall Ann Margret 1963)
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Best Management Practices to Reduce Phthalate and Nonylphenol Loads in Urban Runoff
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- Björklund, Karin, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Malmqvist, Per-Arne, 1945 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hvitt Strömvall, Ann-Margret, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 2008
- 2008
- English.
- In: Proceedings of the International Conference on Urban Drainage, 1-5 September, Edinburgh, UK.
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Phthalates and nonylphenols, organic substances of widespread use, are believed to be ubiquitous in Swedish stormwater and urban sediments. Due to their reported hazardous properties, it is of great interest to identify effective best management practices (BMPs) to reduce the release of these substances to recipient waters. The stormwater-quality model SEWSYS was used to identify sources and quantify loads of phthalates and nonylphenols in two urban catchment areas. Based on the modelling results, BMPs were proposed, and their efficiencies evaluated. The SEWSYS simulations showed that discharges of phthalates and nonylphenols depend on catchment area characteristics: pollutants in a residential area originate mainly from building materials, whereas vehicles are the dominant source in a high-density traffic area. By replacing traditional building materials by phthalate and nonylphenol-free alternatives and by implementing congestion taxes to reduce traffic, the simulated pollutant loads could be reduced by more than 20% in the high-density traffic area. However, discharges from many diffuse sources cannot entirely be stopped, and a structural BMP, e.g. a sedimentation pond, is essential to further decrease pollutant loads in urban runoff. This study shows that SEWSYS can be a useful tool for selecting and evaluating adequate BMPs to reduce stormwater contamination.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Vattenteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Water Engineering (hsv//eng)
Keyword
- non-structural/structural BMPs
- Diffuse pollution
- organic pollutants
- SEWSYS
- stormwater-quality modelling
Publication and Content Type
- kon (subject category)
- ref (subject category)
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