PMID: 19947109Dec 2, 2009Paper

A comparative analysis of modeled and monitored ambient hazardous air pollutants in Texas: a novel approach using concordance correlation

Journal of the Air & Waste Management Association
Philip J Lupo, Elaine Symanski

Abstract

Often, in studies evaluating the health effects of hazardous air pollutants (HAPs), researchers rely on ambient air levels to estimate exposure. Two potential data sources are modeled estimates from the U.S. Environmental Protection Agency (EPA) Assessment System for Population Exposure Nationwide (ASPEN) and ambient air pollutant measurements from monitoring networks. The goal was to conduct comparisons of modeled and monitored estimates of HAP levels in the state of Texas using traditional approaches and a previously unexploited method, concordance correlation analysis, to better inform decisions regarding agreement. Census tract-level ASPEN estimates and monitoring data for all HAPs throughout Texas, available from the EPA Air Quality System, were obtained for 1990, 1996, and 1999. Monitoring sites were mapped to census tracts using U.S. Census data. Exclusions were applied to restrict the monitored data to measurements collected using a common sampling strategy with minimal missing values over time. Comparisons were made for 28 HAPs in 38 census tracts located primarily in urban areas throughout Texas. For each pollutant and by year of assessment, modeled and monitored air pollutant annual levels were compared using standar...Continue Reading

References

Dec 1, 1996·Environmental Health Perspectives·S N YinW J Blot

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Citations

Mar 23, 2011·Environmental Health : a Global Access Science Source·Kristina W WhitworthAnn L Coker
May 15, 2015·Environmental Health : a Global Access Science Source·Michael D SwartzPhilip J Lupo
Sep 21, 2013·International Journal of Environmental Health Research·Erika GarciaPeggy Reynolds
Jun 16, 2016·Environmental Health : a Global Access Science Source·Elaine SymanskiXiaomei Ma
Oct 31, 2014·Environmental Health : a Global Access Science Source·Gregg P MaceyDavid O Carpenter
Oct 8, 2015·Journal of Exposure Science & Environmental Epidemiology·Heather E DanyshPhilip J Lupo

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