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Pages 122-124

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From page 122...
... 122 µm micrometer AADT average annual daily traffic AASHTO American Association of State Highway and Transportation Officials Ac acre AgBMPDB Agricultural Best Management Practices Database Al aluminum As arsenic ATTAINS Assessment, Total Maximum Daily Load Tracking and Implementation System BDL below detection limit BMP best management practice BMPDB International Stormwater Best Management Practices Database BOD biochemcal oxygen demand CA California CaCl2 calcium chloride Caltrans California Department of Transportation Cd cadmium CFU colony-forming units (bacteria) CIA Cooperative Implementation Agreement Cl- chloride COD chemical oxygen demand Colorado DOT Colorado Department of Transportation CRWR Center for Research in Water Resources (Austin, Texas)
From page 123...
... Abbreviations and Acronyms 123 Fe iron FHWA Federal Highway Administration ft feet/foot GIS Geographic Information System HEP FHWA Office of Planning, Environment, and Realty Hg mercury HRDB Highway Runoff Database HUC hydrologic unit code IDDE illicit discharge detection and elimination IDS intrusion detection systems IMP impervious fraction Ln natural log LID low-impact development MAC marginal abatement cost MANAGE measured annual nutrient loads from agricultural environments MassDOT Massachusetts Department of Transportation MCTT multichambered treatment train MDN Mercury Deposition Network MDSHA Maryland State Highway Administration MS4 municipal separate storm sewer system NaCl sodium chloride NADP National Atmospheric Deposition Program NASGLP North American Soil Geochemical Landscapes Project NC North Carolina NCDC National Climatic Data Center NCDENR North Carolina Department of Environment and Natural Resources NCDMS North Carolina Division of Mitigation Services NCHRP National Cooperative Highway Research Program NDEP Nevada Division of Environmental Protection NDOT Nevada Department of Transportation Nevada DOT Nevada Department of Transportation NH4 + ammonium NO2 nitrite NO3 nitrate NPDES National Pollutant Discharge Elimination System NSQD National Stormwater Quality Database NTN National Trends Network PAH polyaromatic hydrocarbon Pb lead PCB polychlorinated biphenyl PFC permeable friction course pH potential of hydrogen PNW Pacific Northwest POC pollutant of concern PRISM Parameter–Elevation Relationships on Independent Slopes Model PWQ permanent water quality Rv volumetric runoff coefficient RWQCB Regional Water Quality Control Board (California) SD standard deviation Se selenium SELDM Stochastic Empirical Loading and Dilution Model
From page 124...
... 124 Approaches for Determining and Complying with TMDL Requirements Related to Roadway Stormwater Runoff SJRWMD St. Johns River Water Management District SO4 2- sulfate SUSTAIN System for Urban Stormwater Treatment and Analysis Integration SWMM Storm Water Management Model (EPA)

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