Inspection/maintenance program evaluation: Replicating the Denver Step Method for an Atlanta fleet

Elizabeth A. Corley, Leisha Dehart-Davis, Jim Lindner, Michael O. Rodgers

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The research presented in this paper employs the Step Method of Inspection/Maintenance (I/M) program evaluation to estimate the emissions reduction for an Atlanta I/M program. Stedman et al. (Stedman, D. H.; Bishop, G. A.; Aldrete, P.; Slott, R. S. Environ. Sci. Technol. 1997, 31, 927-931) introduced the Step Method of evaluation when they presented the results of a 1995 Denver I/M program evaluation. The research presented here replicates the original Denver Step Method analysis for a 1997 Atlanta I/M program. This evaluation was conducted separately for the nine outlying Atlanta counties and the four counties that are closest to the center of the city. The results of the analysis are similar to those found by Stedman et al. in Denver, While the Denver carbon monoxide (CO) weighted program benefit was 6.9%, the Atlanta area CO weighted program benefit is found to be 11.5% and 4.9% for the nine-county and four-county Atlanta areas, respectively. We conclude thatthe 1997 I/M program change in Atlanta yielded a noteworthy and observable change in fleet emissions.

Original languageEnglish (US)
Pages (from-to)2801-2806
Number of pages6
JournalEnvironmental Science and Technology
Issue number12
StatePublished - Jun 15 2003
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • Environmental Chemistry


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