Short-Term Monitoring for Compliance with Air Quality Standards

摘要

This report contains the results of research into predicting ambient air quality exceedances at transportation project locations. It is intended to provide transportation and air quality planners and decision makers short-term monitoring procedures that can produce accurate and timely input data for predicting air quality exceedances without requiring the collection of large amounts of monitoring data. During the project, the research team developed and tested a procedure to estimate probability of exceedance of the 8-hour carbon monoxide standard through the collection of a limited amount of data at the project site. This procedure is intended to reliably estimate peak emission concentrations of carbon monoxide near proposed roadway improvements while obviating the need for extensive collection of monitoring data as prerequisites inputs for dispersion models. Requiring only limited monitoring data from the project location, this approach is intended to be used as a tool in transportation planning and air quality evaluations.