Evaluation of Best Management Practices for Highway Runoff Control (2006) / Chapter Skim
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Pages 37-40
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From page 37... ...
37 5.1 Introduction Proper BMP selection includes an assessment of the types and forms of stormwater constituents at a site and a determination of the proper unit processes to treat those constituents. It is also important to identify the sources and land areas contributing any additional stormwater volume and/or pollutant loads in order to identify source control measures and alternative development practices.
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From page 38... ...
LID practices such as porous pavement, planter strips, and eco-roofs minimizes impervious areas on a site. Minimization of impervious areas allows for reduced flow rates, increased infiltration, increased ET, and increased groundwater recharge rates and therefore a reduction in the pollutant load reaching a BMP system and receiving water body.
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From page 39... ...
and runoff concentrations from the sites. The highways had traffic volumes ranging from 8,700 vehicles per day (in the rural setting)
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From page 40... ...
on nonurban highways. The authors suggest that sources other than transportation-related sources must contribute to this latter group of constituents.
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