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93 AERMET Meteorological pre-processor for U.S. EPAâs AERMOD air pollution dispersion model AERMOD U.S. EPAâs preferred guideline model for air pollution dispersion modeling APBR Area per benefited residence ASOS Automated Surface Observing System BEM Boundary element modeling CONCAWE Conservation of Clean Air and Water in Europe dB Decibel DOT Department of Transportation EEA European Environmental Agency EFR Effective flow resistivity END Environmental Noise Directive EPA Environmental Protection Agency FDTD Finite Difference Time Domain FHWA Federal Highway Administration GUI Graphical user interface IL Insertion loss LE Linearized Eulerian LOS Line-of-sight, and also, Level of Service MAF Meteorological adjustment factor NAC Noise abatement criteria NMPB Nouvelle Methode de Prevision de Bruit, the French traffic noise model NRDG Noise Reduction Design Goal NWS National Weather Service OGAC Open-graded asphalt concrete PE Parabolic equation REMEL Reference Energy Mean Emission Level RESWING REfraction by Screen-induced WINd speed Gradients SHA State highway agency TNM Traffic Noise Model Abbreviations, Acronyms, Initialisms, and Symbols
