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Published on: May 15, 2017
Phthalates and nonylphenols in urban runoff: Occurrence, distribution and area emission factors
Karin Björklund1, Anna Palm Cousins, Ann-Margret Strömvall
1Department of Civil and Environmental Engineering, Chalmers University of Technology, Sven Hultins Gata 8, SE-412 96 Göteborg, Sweden. karin.bjorklund@chalmers.se
Abstract:
The urban water system is believed to be an important sink for the nonpoint-source pollutants nonylphenols and phthalates. The presence of nonylphenols (NPs), nonylphenol ethoxylates (NPEOs), and eight phthalates was analyzed in urban stormwater and sediment from three catchment areas in Sweden. Emission loads for these substances were then calculated for a specific urban catchment area. In addition, substance distribution in road runoff passing through a sedimentation facility was modeled using a modified QWASI-model for chemical fate. High concentrations of DEHP, DIDP and DINP (
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