and gas-phase criteria pollutants routinely measured by USEPA and state and local monitoring agencies were used to estimate 24-hour PM2.5 concentrations in Atlanta for periods when observations did not exist. Separate multiple regression models were developed for four different scenarios: (1) ...
Atmospheric modeling systems (i.e., meteorological, air quality and emissions models) are being extensively used to study air pollution problems over urban and regional domains. Federal, state, and local agencies use these systems to develop and analyze emission control strategies aimed at improving ...