Specifications include, but are not limited to: Typical assignments may include, but are not limited to, the following tasks: Conduct field noise measurements using Federal Highway Administration (FHWA) approved sound level meters. Gather real time traffic volume and movement data. Gather site specific survey and/or GPS data for input into air quality and noise modeling programs. Determine existing and future traffic data for input into air quality and noise modeling programs. FHWA Traffic Noise Model preparation and verification Noise impact evaluation and abatement assessment Project level air quality impact analysis EPA Mobile Vehicle Emissions Simulator and dispersion model preparation Air quality impact evaluation and abatement assessment Preparation of technical reports detailing the air quality and/or noise study methods and results Design of abatement recommendations (i.e. noise barriers, traffic signal modifications, etc.) Preparation of visual aids for use in reports and presentations