Assessing the Environmental Effects of Urban Transit Systems: A Manual for the Management of Stormwater Runoff at Transit Maintenance and Storage Facilities
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1996-10-01
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Edition:October 1995 through September 1996
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Abstract:An evaluation of public transit maintenance and storage facilities in Florida was performed to determine the stormwater quality of runoff from these facilities. The characteristics of the facilities were investigated to evaluate the potential for stor.mwater runoff pollution and to determine the probable origin of potential pollutants. The characteristics investigated included maintenance performed at the facilities, materials used, and materials stored onsite. It was determined that these characteristics, specifically activities such as vehlcle repair, vehicle painting, vehicI!9 washing, vehicle fueling, and storage of materials such as fuel, oils, lubricants, grease, and solvents, do provide a large potential for stormwater runoff pollution. An analysis of stormwater runoff quality results from four facilities in Florida confirmed that stormwater runoff pollution problems do exist at these facilities. The problem pollutants were determined to be BOD, COD, TSS, TP, Nitrate+ Nitrite, Fecal Coliform, Surfactants, Lead, Zinc, and Total Phenolics. Finally, the stormwater runoff quality data was used to determine if the use of Best Management Practices (BMPs) would potentially increase the quality of stormwater runoff at these facilities. Structural and nonstructural BMPs were investigated, and seventeen applicable BMPs were identified. These BMPs have the potential to improve stormwater runoff quality by preventing and treating stormwater runoff pollution at transit maintenance and storage facilities.
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