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Lead as a tracer for automotive particulates: projecting the sulfate air quality impact of oxidation catalyst-equipped cars in Los Angeles

Cass, Glen R. (1975) Lead as a tracer for automotive particulates: projecting the sulfate air quality impact of oxidation catalyst-equipped cars in Los Angeles. California Institute of Technology , Pasadena, CA. (Unpublished) http://resolver.caltech.edu/CaltechEQL:EQL-M-12

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Abstract

An analysis of the fate of lead in the Los Angeles Basin is used to evaluate an emissions to air quality model for automotive exhaust particulates. The dispersion model is then applied to projecting the annual average sulfate air quality impact of direct sulfuric acid mist emissions from oxidation catalyst-equipped cars of the 1975 model type. Estimates are given of the incremental sulfate contributions from three model years of oxidation catalyst-equipped cars burning a relatively low sulfur gaso1ine, and from roughly ten model years of 1975-type autos burning gasoline of sulfur content equal to that of the entire 1974 Southern California gasoline pool. In the latter case, sulfate concentrations in portions of downtown Los Angeles in 1985 could be elevated by roughly two thirds above present average sulfate values.


Item Type:Report or Paper (Technical Report)
Additional Information:This work has been supported by the Ford Foundation, the Rockefeller Foundation, a grant to the author from the Research Corporation, and unrestricted gifts to the Environmental Quality Laboratory. The author wishes to thank Anna Pechanec for research assistance on this project.
Group:Environmental Quality Laboratory
Record Number:CaltechEQL:EQL-M-12
Persistent URL:http://resolver.caltech.edu/CaltechEQL:EQL-M-12
Usage Policy:You are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format.
ID Code:25761
Collection:CaltechEQL
Deposited By: Imported from CaltechEQL
Deposited On:09 Dec 2009
Last Modified:26 Dec 2012 13:47

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