Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published November 1988 | public
Journal Article

Mathematical Modeling of the Formation of Nitrogen-Containing Pollutants. 2. Evaluation of the Effect of Emission Controls

Abstract

A grid-based Eulerian airshed model is used to study the effect of specific emission control measures on ambient NO_2, total inorganic nitrate (TN), HNO_3, aerosol nitrate, PAN, NH_3, and ozone concentrations in the Los Angeles area. NO_x and reactive hydrocarbon (RHC) emission reductions of up to 61 and 37%, respectively, are examined. NO_2 and TN concentration reductions in excess of 50% averaged over 20 monitoring sites are achieved at the highest level of emission control studied. The distribution of TN air quality improvements between HNO_3 and aerosol nitrate is affected by the NH_3 emission rate of the NO_x control technologies employed. Peak 1-h O_3 concentrations at many sites in the eastern portion of the air basin studied decline by more than 25% at the highest NO_x and RHC control levels studied.

Additional Information

© 1988 American Chemical Society. Received for review May 26, 1987. Revised manuscript received March 14, 1988. Accepted April 14, 1988. This work was supported by the California Air Resources Board under Agreement A2-150-32 and by gifts to the Environmental Quality Laboratory.

Additional details

Created:
August 19, 2023
Modified:
October 20, 2023